update

Functions_And_Dictionaries.ipynb → Dictionaries.ipynb

@@ -2,16 +2,14 @@
   "cells": [
     {
       "cell_type": "markdown",
-      "metadata": {
-        "id": "winJJbiUiIIO"
-      },
+      "metadata": {},
       "source": [
-        "Data structures: Dictionaries"
+        "# Dictionaries Operations"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": 1,
+      "execution_count": 72,
       "metadata": {
         "id": "yih6CE4RiIrl"
       },
@@ -20,83 +18,36 @@
         "Dictionaries = {\"key1\":\"value1\"}"
       ]
     },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "56RkusxohJDa"
-      },
-      "source": [
-        "Create Dictionaries"
-      ]
-    },
     {
       "cell_type": "code",
-      "execution_count": 2,
+      "execution_count": 73,
       "metadata": {
         "id": "VLkxduR8hSQ_"
       },
-      "outputs": [],
-      "source": [
-        "dic = {\n",
-        "  \"brand\": \"Ford\",\n",
-        "  \"model\": \"Mustang\",\n",
-        "  \"year\": 1964\n",
-        "}"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": 3,
-      "metadata": {
-        "colab": {
-          "base_uri": "https://localhost:8080/"
-        },
-        "id": "Ihvoijply3U5",
-        "outputId": "9f69778d-96a9-40b7-c1b9-b9feb4b0bc6d"
-      },
-      "outputs": [
-        {
-          "name": "stdout",
-          "output_type": "stream",
-          "text": [
-            "{'brand': 'Ford', 'model': 'Mustang', 'year': 1964}\n"
-          ]
-        }
-      ],
-      "source": [
-        "print(dic)"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": 4,
-      "metadata": {
-        "colab": {
-          "base_uri": "https://localhost:8080/"
-        },
-        "id": "dCW1nOWDiNRW",
-        "outputId": "693b217a-6e52-4b7c-f054-9c34119daa31"
-      },
       "outputs": [
         {
           "name": "stdout",
           "output_type": "stream",
           "text": [
             "{'brand': 'Ford', 'model': 'Mustang', 'year': 1964}\n",
-            "3\n",
             "<class 'dict'>\n"
           ]
         }
       ],
       "source": [
+        "# Create Dictionaries\n",
+        "dic = {\n",
+        "  \"brand\": \"Ford\",\n",
+        "  \"model\": \"Mustang\",\n",
+        "  \"year\": 1964\n",
+        "}\n",
         "print(dic)\n",
-        "print(len(dic))\n",
         "print(type(dic))"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": 5,
+      "execution_count": 74,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -118,18 +69,9 @@
         "print(dic)"
       ]
     },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "k95vij2nkKLS"
-      },
-      "source": [
-        "Accessing Items"
-      ]
-    },
     {
       "cell_type": "code",
-      "execution_count": 6,
+      "execution_count": 75,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -147,13 +89,14 @@
         }
       ],
       "source": [
+        "# Accessing Items\n",
         "x = dic[\"year\"]\n",
         "print(x)"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": 7,
+      "execution_count": 76,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/",
@@ -169,7 +112,7 @@
               "'Mustang'"
             ]
           },
-          "execution_count": 7,
+          "execution_count": 76,
           "metadata": {},
           "output_type": "execute_result"
         }
@@ -179,18 +122,9 @@
         "x"
       ]
     },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "aKSZoGH-iYTm"
-      },
-      "source": [
-        "keys()"
-      ]
-    },
     {
       "cell_type": "code",
-      "execution_count": 8,
+      "execution_count": 77,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -203,18 +137,21 @@
           "name": "stdout",
           "output_type": "stream",
           "text": [
-            "dict_keys(['brand', 'model', 'year'])\n"
+            "dict_keys(['brand', 'model', 'year'])\n",
+            "['brand', 'model', 'year']\n"
           ]
         }
       ],
       "source": [
+        "# keys()\n",
         "x = dic.keys()\n",
-        "print(x)"
+        "print(x)\n",
+        "print(list(x))"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": 9,
+      "execution_count": 78,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -224,24 +161,24 @@
       },
       "outputs": [
         {
-          "data": {
-            "text/plain": [
-              "dict_values(['Ford', 'Mustang', 1964])"
-            ]
-          },
-          "execution_count": 9,
-          "metadata": {},
-          "output_type": "execute_result"
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "dict_values(['Ford', 'Mustang', 1964])\n",
+            "['Ford', 'Mustang', 1964]\n"
+          ]
         }
       ],
       "source": [
+        "# values()\n",
         "x = dic.values()\n",
-        "x"
+        "print(x)\n",
+        "print(list(x))"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": 10,
+      "execution_count": 79,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -251,33 +188,24 @@
       },
       "outputs": [
         {
-          "data": {
-            "text/plain": [
-              "dict_items([('brand', 'Ford'), ('model', 'Mustang'), ('year', 1964)])"
-            ]
-          },
-          "execution_count": 10,
-          "metadata": {},
-          "output_type": "execute_result"
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "dict_items([('brand', 'Ford'), ('model', 'Mustang'), ('year', 1964)])\n",
+            "[('brand', 'Ford'), ('model', 'Mustang'), ('year', 1964)]\n"
+          ]
         }
       ],
       "source": [
+        "# items()\n",
         "x = dic.items()\n",
-        "x"
-      ]
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "QNjHr3FxhhrI"
-      },
-      "source": [
-        "Add Items"
+        "print(x)\n",
+        "print(list(x))"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": 11,
+      "execution_count": 80,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -287,65 +215,35 @@
       },
       "outputs": [
         {
-          "data": {
-            "text/plain": [
-              "{'brand': 'Ford', 'model': 'Mustang', 'year': 1964, 'color': 'white'}"
-            ]
-          },
-          "execution_count": 11,
-          "metadata": {},
-          "output_type": "execute_result"
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "Before add: {'brand': 'Ford', 'model': 'Mustang', 'year': 1964}\n",
+            "After add color: {'brand': 'Ford', 'model': 'Mustang', 'year': 1964, 'color': 'white'}\n",
+            "After add power: {'brand': 'Ford', 'model': 'Mustang', 'year': 1964, 'color': 'white', 'power': '315 HP'}\n"
+          ]
         }
       ],
       "source": [
+        "dic = {\n",
+        "  \"brand\": \"Ford\",\n",
+        "  \"model\": \"Mustang\",\n",
+        "  \"year\": 1964\n",
+        "}\n",
+        "print('Before add:',dic)\n",
+        "\n",
+        "# Add Items\n",
         "dic[\"color\"] = \"white\"\n",
-        "dic"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": 12,
-      "metadata": {
-        "colab": {
-          "base_uri": "https://localhost:8080/"
-        },
-        "id": "df2cHHGInqBE",
-        "outputId": "6c8a7c34-fad7-4075-ca3e-26fb94818e55"
-      },
-      "outputs": [
-        {
-          "data": {
-            "text/plain": [
-              "{'brand': 'Ford',\n",
-              " 'model': 'Mustang',\n",
-              " 'year': 1964,\n",
-              " 'color': 'white',\n",
-              " 'Power': '315 HP'}"
-            ]
-          },
-          "execution_count": 12,
-          "metadata": {},
-          "output_type": "execute_result"
-        }
-      ],
-      "source": [
-        "d= {\"Power\":\"315 HP\"}\n",
+        "print('After add color:',dic)\n",
+        "\n",
+        "d= {\"power\":\"315 HP\"}\n",
         "dic.update(d)\n",
-        "dic"
-      ]
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "MQQ-FXNhi1sm"
-      },
-      "source": [
-        "Modify"
+        "print('After add power:',dic)"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": 13,
+      "execution_count": 81,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -358,50 +256,29 @@
           "name": "stdout",
           "output_type": "stream",
           "text": [
-            "dict_values(['Ford', 'Mustang', 1964, 'white', '315 HP'])\n",
-            "dict_values(['Ford', 'Mustang', 2020, 'white', '315 HP'])\n"
+            "{'brand': 'Ford', 'model': 'Mustang', 'year': 1964, 'color': 'white', 'power': '315 HP'}\n",
+            "{'brand': 'Ford', 'model': 'Mustang', 'year': 2020, 'color': 'white', 'power': '400 HP'}\n"
           ]
         }
       ],
       "source": [
+        "dic = {\n",
+        "    'brand': 'Ford',\n",
+        "    'model': 'Mustang',\n",
+        "    'year': 1964,\n",
+        "    'color': 'white',\n",
+        "    'power': '315 HP'\n",
+        "}\n",
+        "\n",
+        "# Modify\n",
         "x = dic.values()\n",
         "\n",
-        "print(x) #before the change\n",
+        "print(dic) #before the change\n",
         "\n",
         "dic[\"year\"] = 2020\n",
+        "dic[\"power\"] = '400 HP'\n",
         "\n",
-        "print(x) #after the change"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": 14,
-      "metadata": {
-        "colab": {
-          "base_uri": "https://localhost:8080/"
-        },
-        "id": "uvPL_HxuoeYj",
-        "outputId": "26100336-0df1-475e-fe1d-43aa96310b02"
-      },
-      "outputs": [
-        {
-          "data": {
-            "text/plain": [
-              "{'brand': 'Ford',\n",
-              " 'model': 'Mustang',\n",
-              " 'year': 2020,\n",
-              " 'color': 'white',\n",
-              " 'Power': '400 HP'}"
-            ]
-          },
-          "execution_count": 14,
-          "metadata": {},
-          "output_type": "execute_result"
-        }
-      ],
-      "source": [
-        "dic.update({\"Power\":\"400 HP\"})\n",
-        "dic"
+        "print(dic) #after the change"
       ]
     },
     {
@@ -415,7 +292,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": 15,
+      "execution_count": 82,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -448,7 +325,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": 16,
+      "execution_count": 83,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -461,7 +338,7 @@
           "name": "stdout",
           "output_type": "stream",
           "text": [
-            "{'brand': 'Ford', 'year': 2020, 'color': 'white', 'Power': '400 HP'}\n"
+            "{'brand': 'Ford', 'year': 2020, 'color': 'white', 'power': '400 HP'}\n"
           ]
         }
       ],
@@ -472,7 +349,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": 17,
+      "execution_count": 84,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -496,7 +373,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": 18,
+      "execution_count": 85,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -520,7 +397,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": 19,
+      "execution_count": 86,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -553,7 +430,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": 20,
+      "execution_count": 87,
       "metadata": {
         "id": "sjuLUjk4lMMW"
       },
@@ -566,18 +443,9 @@
         "}"
       ]
     },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "SfuHtH52lWkM"
-      },
-      "source": [
-        "for loop with keys"
-      ]
-    },
     {
       "cell_type": "code",
-      "execution_count": 21,
+      "execution_count": 88,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -597,13 +465,14 @@
         }
       ],
       "source": [
+        "# for loop with keys\n",
         "for x in dic:\n",
         "  print(x)"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": 22,
+      "execution_count": 89,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -623,22 +492,14 @@
         }
       ],
       "source": [
+        "# for loop with keys\n",
         "for x in dic.keys():\n",
         "  print(x)"
       ]
     },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "_CT7BsxjlsjZ"
-      },
-      "source": [
-        "for loop with values"
-      ]
-    },
     {
       "cell_type": "code",
-      "execution_count": 23,
+      "execution_count": 90,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -658,13 +519,14 @@
         }
       ],
       "source": [
+        "# for loop with values\n",
         "for x in dic:\n",
         "  print(dic[x])"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": 24,
+      "execution_count": 91,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -684,22 +546,14 @@
         }
       ],
       "source": [
+        "# for loop with values\n",
         "for x in dic.values():\n",
         "  print(x)"
       ]
     },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "e8ttUHNPl2Ep"
-      },
-      "source": [
-        "for loop with items"
-      ]
-    },
     {
       "cell_type": "code",
-      "execution_count": 25,
+      "execution_count": 92,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -719,27 +573,20 @@
         }
       ],
       "source": [
+        "# for loop with items\n",
         "for x, y in dic.items():\n",
         "  print(x,':', y)"
       ]
     },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "fq8j8EkwnbuQ"
-      },
-      "source": [
-        "Advanced Operations of dictionaries"
-      ]
-    },
     {
       "cell_type": "code",
-      "execution_count": 26,
+      "execution_count": 93,
       "metadata": {
         "id": "GjgwAYbZmtFC"
       },
       "outputs": [],
       "source": [
+        "# Nested dictionaries\n",
         "child1 = {\n",
         "  \"name\" : \"Rohan\",\n",
         "  \"year\" : 2004\n",
@@ -762,7 +609,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": 27,
+      "execution_count": 94,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -779,7 +626,7 @@
               " 'child3': {'name': 'Rana', 'year': 2011}}"
             ]
           },
-          "execution_count": 27,
+          "execution_count": 94,
           "metadata": {},
           "output_type": "execute_result"
         }
@@ -787,414 +634,6 @@
       "source": [
         "myfamily"
       ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": 28,
-      "metadata": {
-        "colab": {
-          "base_uri": "https://localhost:8080/"
-        },
-        "id": "k0_Fp2RrnHlY",
-        "outputId": "e15c1f6b-25d8-42a9-fa78-409dfe895b25"
-      },
-      "outputs": [
-        {
-          "name": "stdout",
-          "output_type": "stream",
-          "text": [
-            "{1: 1, 2: 4, 3: 9, 4: 16, 5: 25}\n"
-          ]
-        }
-      ],
-      "source": [
-        "dic = {}\n",
-        "for x in range(1, 6):\n",
-        "    dic[x] = x ** 2\n",
-        "    # dic.update({x: x ** 2})\n",
-        "print(dic)"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": 29,
-      "metadata": {
-        "colab": {
-          "base_uri": "https://localhost:8080/"
-        },
-        "id": "MpLOphmoTesg",
-        "outputId": "14fab957-1055-421e-8e2c-b8d18eca45bc"
-      },
-      "outputs": [
-        {
-          "name": "stdout",
-          "output_type": "stream",
-          "text": [
-            "{1: 1, 2: 4, 3: 9, 4: 16, 5: 25}\n"
-          ]
-        }
-      ],
-      "source": [
-        "squares = {x: x ** 2 for x in range(1, 6)}\n",
-        "print(squares)"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": 30,
-      "metadata": {
-        "colab": {
-          "base_uri": "https://localhost:8080/"
-        },
-        "id": "w6EtOS4wookU",
-        "outputId": "2a19cdd0-2f67-4b01-cbe6-28c5b1d193d5"
-      },
-      "outputs": [
-        {
-          "name": "stdout",
-          "output_type": "stream",
-          "text": [
-            "{2: 4, 4: 16, 6: 36, 8: 64, 10: 100}\n"
-          ]
-        }
-      ],
-      "source": [
-        "dic = {}\n",
-        "for x in range(1, 11):\n",
-        "  if x % 2 == 0:\n",
-        "    dic[x] = x ** 2\n",
-        "    # dic.update({x: x ** 2})\n",
-        "print(dic)"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": 31,
-      "metadata": {
-        "colab": {
-          "base_uri": "https://localhost:8080/"
-        },
-        "id": "dPjzWfdsau9g",
-        "outputId": "9460ce1d-0cbc-4449-82b8-53e11183df28"
-      },
-      "outputs": [
-        {
-          "name": "stdout",
-          "output_type": "stream",
-          "text": [
-            "{2: 4, 4: 16, 6: 36, 8: 64, 10: 100}\n"
-          ]
-        }
-      ],
-      "source": [
-        "squares = {x: x ** 2 for x in range(1, 11) if x % 2 == 0}\n",
-        "print(squares)"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": 39,
-      "metadata": {
-        "id": "9OtTs6tC7Zcf"
-      },
-      "outputs": [],
-      "source": [
-        "users = [\n",
-        "  {\n",
-        "    \"_id\": \"u12345\",\n",
-        "    \"name\": \"Rahman\",\n",
-        "    \"email\": \"rahman@example.com\",\n",
-        "    \"age\": 28,\n",
-        "    \"isActive\": True,\n",
-        "    \"address\": {\n",
-        "      \"street\": \"123 Lakeview Road\",\n",
-        "      \"city\": \"Dhaka\",\n",
-        "      \"zip\": \"1207\"\n",
-        "    },\n",
-        "    \"hobbies\": [\"reading\", \"gaming\", \"traveling\"],\n",
-        "    \"orders\": [\n",
-        "      {\n",
-        "        \"order_id\": \"ord1001\",\n",
-        "        \"date\": \"2025-05-01\",\n",
-        "        \"items\": [\n",
-        "          {\"product\": \"Book\", \"price\": 12.99, \"quantity\": 1},\n",
-        "          {\"product\": \"Pen\", \"price\": 1.99, \"quantity\": 3}\n",
-        "        ],\n",
-        "        \"total\": 18.96\n",
-        "      },\n",
-        "      {\n",
-        "        \"order_id\": \"ord1002\",\n",
-        "        \"date\": \"2025-05-04\",\n",
-        "        \"items\": [\n",
-        "          {\"product\": \"Shoes\", \"price\": 45.00, \"quantity\": 1}\n",
-        "        ],\n",
-        "        \"total\": 45.00\n",
-        "      }\n",
-        "    ]\n",
-        "  },\n",
-        "  {\n",
-        "    \"_id\": \"u12346\",\n",
-        "    \"name\": \"Fatima\",\n",
-        "    \"email\": \"fatima@example.com\",\n",
-        "    \"age\": 32,\n",
-        "    \"isActive\": False,\n",
-        "    \"address\": {\n",
-        "      \"street\": \"78 Rose Lane\",\n",
-        "      \"city\": \"Chittagong\",\n",
-        "      \"zip\": \"4000\"\n",
-        "    },\n",
-        "    \"hobbies\": [\"painting\", \"yoga\"],\n",
-        "    \"orders\": [\n",
-        "      {\n",
-        "        \"order_id\": \"ord1003\",\n",
-        "        \"date\": \"2025-05-02\",\n",
-        "        \"items\": [\n",
-        "          {\"product\": \"Canvas\", \"price\": 25.50, \"quantity\": 2}\n",
-        "        ],\n",
-        "        \"total\": 51.00\n",
-        "      }\n",
-        "    ]\n",
-        "  },\n",
-        "  {\n",
-        "    \"_id\": \"u12347\",\n",
-        "    \"name\": \"Karim\",\n",
-        "    \"email\": \"karim@example.com\",\n",
-        "    \"age\": 40,\n",
-        "    \"isActive\": True,\n",
-        "    \"address\": {\n",
-        "      \"street\": \"10 Green Street\",\n",
-        "      \"city\": \"Khulna\",\n",
-        "      \"zip\": \"9100\"\n",
-        "    },\n",
-        "    \"hobbies\": [\"fishing\", \"cycling\", \"chess\"],\n",
-        "    \"orders\": []\n",
-        "  },\n",
-        "  {\n",
-        "    \"_id\": \"u12348\",\n",
-        "    \"name\": \"Ayesha\",\n",
-        "    \"email\": \"ayesha@example.com\",\n",
-        "    \"age\": 25,\n",
-        "    \"isActive\": True,\n",
-        "    \"address\": {\n",
-        "      \"street\": \"56 Mango Street\",\n",
-        "      \"city\": \"Sylhet\",\n",
-        "      \"zip\": \"3100\"\n",
-        "    },\n",
-        "    \"hobbies\": [\"dancing\", \"baking\"],\n",
-        "    \"orders\": [\n",
-        "      {\n",
-        "        \"order_id\": \"ord1004\",\n",
-        "        \"date\": \"2025-05-05\",\n",
-        "        \"items\": [\n",
-        "          {\"product\": \"Dress\", \"price\": 30.00, \"quantity\": 1},\n",
-        "          {\"product\": \"Handbag\", \"price\": 40.00, \"quantity\": 1}\n",
-        "        ],\n",
-        "        \"total\": 70.00\n",
-        "      }\n",
-        "    ]\n",
-        "  }\n",
-        "]\n"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": 46,
-      "metadata": {},
-      "outputs": [
-        {
-          "data": {
-            "text/plain": [
-              "[{'_id': 'u12345',\n",
-              "  'name': 'Rahman',\n",
-              "  'email': 'rahman@example.com',\n",
-              "  'age': 28,\n",
-              "  'isActive': True,\n",
-              "  'address': {'street': '123 Lakeview Road', 'city': 'Dhaka', 'zip': '1207'},\n",
-              "  'hobbies': ['reading', 'gaming', 'traveling'],\n",
-              "  'orders': [{'order_id': 'ord1001',\n",
-              "    'date': '2025-05-01',\n",
-              "    'items': [{'product': 'Book', 'price': 12.99, 'quantity': 1},\n",
-              "     {'product': 'Pen', 'price': 1.99, 'quantity': 3}],\n",
-              "    'total': 18.96},\n",
-              "   {'order_id': 'ord1002',\n",
-              "    'date': '2025-05-04',\n",
-              "    'items': [{'product': 'Shoes', 'price': 45.0, 'quantity': 1}],\n",
-              "    'total': 45.0}]},\n",
-              " {'_id': 'u12347',\n",
-              "  'name': 'Karim',\n",
-              "  'email': 'karim@example.com',\n",
-              "  'age': 40,\n",
-              "  'isActive': True,\n",
-              "  'address': {'street': '10 Green Street', 'city': 'Khulna', 'zip': '9100'},\n",
-              "  'hobbies': ['fishing', 'cycling', 'chess'],\n",
-              "  'orders': []},\n",
-              " {'_id': 'u12348',\n",
-              "  'name': 'Ayesha',\n",
-              "  'email': 'ayesha@example.com',\n",
-              "  'age': 25,\n",
-              "  'isActive': True,\n",
-              "  'address': {'street': '56 Mango Street', 'city': 'Sylhet', 'zip': '3100'},\n",
-              "  'hobbies': ['dancing', 'baking'],\n",
-              "  'orders': [{'order_id': 'ord1004',\n",
-              "    'date': '2025-05-05',\n",
-              "    'items': [{'product': 'Dress', 'price': 30.0, 'quantity': 1},\n",
-              "     {'product': 'Handbag', 'price': 40.0, 'quantity': 1}],\n",
-              "    'total': 70.0}]}]"
-            ]
-          },
-          "execution_count": 46,
-          "metadata": {},
-          "output_type": "execute_result"
-        }
-      ],
-      "source": [
-        "active_users = [user for user in users if user[\"isActive\"]]\n",
-        "active_users"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": 47,
-      "metadata": {},
-      "outputs": [
-        {
-          "data": {
-            "text/plain": [
-              "[{'name': 'Rahman', 'email': 'rahman@example.com'},\n",
-              " {'name': 'Fatima', 'email': 'fatima@example.com'},\n",
-              " {'name': 'Ayesha', 'email': 'ayesha@example.com'}]"
-            ]
-          },
-          "execution_count": 47,
-          "metadata": {},
-          "output_type": "execute_result"
-        }
-      ],
-      "source": [
-        "users_with_orders = [\n",
-        "    {\"name\": user[\"name\"], \"email\": user[\"email\"]}\n",
-        "    for user in users if len(user[\"orders\"]) > 0\n",
-        "]\n",
-        "users_with_orders"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": 48,
-      "metadata": {},
-      "outputs": [
-        {
-          "data": {
-            "text/plain": [
-              "[{'name': 'Rahman', 'total_spent': 63.96},\n",
-              " {'name': 'Fatima', 'total_spent': 51.0},\n",
-              " {'name': 'Karim', 'total_spent': 0},\n",
-              " {'name': 'Ayesha', 'total_spent': 70.0}]"
-            ]
-          },
-          "execution_count": 48,
-          "metadata": {},
-          "output_type": "execute_result"
-        }
-      ],
-      "source": [
-        "user_spending = [\n",
-        "    {\n",
-        "        \"name\": user[\"name\"],\n",
-        "        \"total_spent\": sum(order[\"total\"] for order in user[\"orders\"])\n",
-        "    }\n",
-        "    for user in users\n",
-        "]\n",
-        "user_spending"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": 53,
-      "metadata": {},
-      "outputs": [
-        {
-          "name": "stdout",
-          "output_type": "stream",
-          "text": [
-            "Book\n",
-            "Pen\n",
-            "Shoes\n"
-          ]
-        }
-      ],
-      "source": [
-        "for user in users:\n",
-        "    if user['name'] == 'Rahman':\n",
-        "        for i in user['orders']:\n",
-        "            for j in i['items']:\n",
-        "                print(j['product'])"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": 55,
-      "metadata": {},
-      "outputs": [
-        {
-          "data": {
-            "text/plain": [
-              "31.25"
-            ]
-          },
-          "execution_count": 55,
-          "metadata": {},
-          "output_type": "execute_result"
-        }
-      ],
-      "source": [
-        "avg_age = sum(user[\"age\"] for user in users) / len(users)\n",
-        "avg_age"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": 63,
-      "metadata": {},
-      "outputs": [
-        {
-          "ename": "SyntaxError",
-          "evalue": "invalid syntax (3403861915.py, line 5)",
-          "output_type": "error",
-          "traceback": [
-            "  \u001b[36mCell\u001b[39m\u001b[36m \u001b[39m\u001b[32mIn[63]\u001b[39m\u001b[32m, line 5\u001b[39m\n\u001b[31m    \u001b[39m\u001b[31mproduct_summary.update({[item[\"product\"]] += item[\"quantity\"]})\u001b[39m\n                                              ^\n\u001b[31mSyntaxError\u001b[39m\u001b[31m:\u001b[39m invalid syntax\n"
-          ]
-        }
-      ],
-      "source": [
-        "product_summary = {}\n",
-        "for user in users:\n",
-        "    for order in user[\"orders\"]:\n",
-        "        for item in order[\"items\"]:\n",
-        "            product_summary.update({[item[\"product\"]] += item[\"quantity\"]})\n",
-        "product_summary"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": 65,
-      "metadata": {},
-      "outputs": [
-        {
-          "data": {
-            "text/plain": [
-              "1"
-            ]
-          },
-          "execution_count": 65,
-          "metadata": {},
-          "output_type": "execute_result"
-        }
-      ],
-      "source": [
-        "dhaka_count = sum(1 for user in users if user[\"address\"][\"city\"] == \"Dhaka\")\n",
-        "dhaka_count"
-      ]
     }
   ],
   "metadata": {

List.ipynb

@@ -0,0 +1,488 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "5b1d21eb",
+   "metadata": {},
+   "source": [
+    "# Lisi Operations"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 139,
+   "id": "b8a7504b",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# List\n",
+    "mylist = [\"apple\", \"banana\", \"cherry\"]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 140,
+   "id": "22045eee",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['apple', 'banana', 'cherry', 'apple', 'cherry']\n"
+     ]
+    }
+   ],
+   "source": [
+    "# print the list\n",
+    "thislist = [\"apple\", \"banana\", \"cherry\", \"apple\", \"cherry\"]\n",
+    "print(thislist)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 141,
+   "id": "3de98cfc",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "3\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Length of list\n",
+    "thislist = [\"apple\", \"banana\", \"cherry\"]\n",
+    "print(len(thislist))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 142,
+   "id": "1644c599",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# different data types in list\n",
+    "list1 = [\"apple\", \"banana\", \"cherry\"]\n",
+    "list2 = [1, 5, 7, 9, 3]\n",
+    "list3 = [True, False, False]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 143,
+   "id": "ad86e453",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# different data types in a single list\n",
+    "list1 = [\"abc\", 34, True, 40, \"male\"]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 144,
+   "id": "0ef37cc4",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "<class 'list'>\n"
+     ]
+    }
+   ],
+   "source": [
+    "mylist = [\"apple\", \"banana\", \"cherry\"]\n",
+    "print(type(mylist))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 145,
+   "id": "0bd3956a",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['apple', 'banana', 'cherry']\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Another way to create a list\n",
+    "thislist = list((\"apple\", \"banana\", \"cherry\"))\n",
+    "print(thislist)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 146,
+   "id": "f51e0509",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['apple', 'banana', 'orange']\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Add Items to a List\n",
+    "fruits = ['apple', 'banana']\n",
+    "fruits.append('orange')\n",
+    "print(fruits)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 147,
+   "id": "d62d99d7",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['apple', 'mango', 'banana', 'orange']\n"
+     ]
+    }
+   ],
+   "source": [
+    "# insert(index, item) – Insert item at a specific index\n",
+    "fruits.insert(1, 'mango')\n",
+    "print(fruits)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 148,
+   "id": "f947d134",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['apple', 'mango', 'banana', 'orange', 'grape', 'pineapple']\n"
+     ]
+    }
+   ],
+   "source": [
+    "# extend(list) – Add multiple items from another list\n",
+    "fruits.extend(['grape', 'pineapple'])\n",
+    "print(fruits)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 149,
+   "id": "24d3ecad",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['strawberry', 'mango', 'banana', 'orange', 'grape', 'pineapple']\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Update by index\n",
+    "fruits[0] = 'strawberry'\n",
+    "print(fruits)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 150,
+   "id": "b820261e",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['strawberry', 'mango', 'banana', 'grape', 'pineapple']\n"
+     ]
+    }
+   ],
+   "source": [
+    "# remove(item) – Remove by value\n",
+    "fruits.remove('orange')\n",
+    "print(fruits)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 151,
+   "id": "e8bde013",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "pineapple\n",
+      "['strawberry', 'mango', 'banana', 'grape']\n"
+     ]
+    }
+   ],
+   "source": [
+    "# pop(index) – Remove and return item by index (default is last)\n",
+    "last_item = fruits.pop()\n",
+    "print(last_item)\n",
+    "print(fruits)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 152,
+   "id": "1bd10b49",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['strawberry', 'banana', 'grape']\n"
+     ]
+    }
+   ],
+   "source": [
+    "# del – Delete by index or slice\n",
+    "del fruits[1]\n",
+    "print(fruits) "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 153,
+   "id": "368b7abf",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[]\n"
+     ]
+    }
+   ],
+   "source": [
+    "# clear() – Remove all items\n",
+    "fruits.clear()\n",
+    "print(fruits)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "21857eeb",
+   "metadata": {},
+   "source": [
+    "# Basic Practice problems"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 154,
+   "id": "8f7069a3",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['apple', 'banana', 'orange']\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Given the list fruits = ['apple', 'banana'], add 'orange' at the end.\n",
+    "fruits = ['apple', 'banana']\n",
+    "fruits.append('orange')\n",
+    "print(fruits)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 155,
+   "id": "97680bab",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['apple', 'mango', 'banana']\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Insert 'mango' between 'apple' and 'banana'.\n",
+    "fruits = ['apple', 'banana']\n",
+    "fruits.insert(1, 'mango')\n",
+    "print(fruits)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 156,
+   "id": "21d5422f",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['apple', 'banana', 'grape', 'pineapple']\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Add ['grape', 'pineapple'] to the list fruits.\n",
+    "fruits = ['apple', 'banana']\n",
+    "fruits.extend(['grape', 'pineapple'])\n",
+    "print(fruits)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 163,
+   "id": "6470364e",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['strawberry', 'banana']\n"
+     ]
+    }
+   ],
+   "source": [
+    "# ange 'apple' to 'strawberry'.\n",
+    "fruits = ['apple', 'banana']\n",
+    "fruits[0] = 'strawberry'\n",
+    "print(fruits)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 169,
+   "id": "54de17a8",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['apple', 'orange']\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Remove 'banana' from ['apple', 'banana', 'orange'].\n",
+    "fruits = ['apple', 'banana', 'orange']\n",
+    "fruits.remove('banana')\n",
+    "print(fruits)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 170,
+   "id": "6d81fe0f",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['apple', 'orange']\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Delete the second item in the list.\n",
+    "fruits = ['apple', 'banana', 'orange']\n",
+    "del fruits[1]\n",
+    "print(fruits)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 171,
+   "id": "872276ff",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "orange\n",
+      "['apple', 'banana']\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Remove the last fruit from the list and store it in a variable.\n",
+    "fruits = ['apple', 'banana', 'orange']\n",
+    "last_fruit = fruits.pop()\n",
+    "print(last_fruit)\n",
+    "print(fruits)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 172,
+   "id": "5d30b05f",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[]\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Remove all items from ['a', 'b', 'c'].\n",
+    "letters = ['a', 'b', 'c']\n",
+    "letters.clear()\n",
+    "print(letters)"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "all",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.12.9"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}

Loop.ipynb

@@ -0,0 +1,586 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "c3e21f76",
+   "metadata": {},
+   "source": [
+    "# Loop Operations"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 78,
+   "id": "6ccbd87a",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "b\n",
+      "a\n",
+      "n\n",
+      "a\n",
+      "n\n",
+      "a\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Character iteration example\n",
+    "for x in \"banana\":\n",
+    "  print(x)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 79,
+   "id": "a2f8970f",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "apple\n",
+      "banana\n",
+      "cherry\n"
+     ]
+    }
+   ],
+   "source": [
+    "# List iteration example\n",
+    "fruits = [\"apple\", \"banana\", \"cherry\"]\n",
+    "for x in fruits:\n",
+    "  print(x)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 80,
+   "id": "4a666d26",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "apple\n"
+     ]
+    }
+   ],
+   "source": [
+    "# List iteration with break example\n",
+    "fruits = [\"apple\", \"banana\", \"cherry\"]\n",
+    "for x in fruits:\n",
+    "  if x == \"banana\":\n",
+    "    break\n",
+    "  print(x)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 81,
+   "id": "f07d007a",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "apple\n",
+      "cherry\n"
+     ]
+    }
+   ],
+   "source": [
+    "# List iteration with continue example\n",
+    "fruits = [\"apple\", \"banana\", \"cherry\"]\n",
+    "for x in fruits:\n",
+    "  if x == \"banana\":\n",
+    "    continue\n",
+    "  print(x)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 82,
+   "id": "1f89c7d3",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "0\n",
+      "1\n",
+      "2\n",
+      "3\n",
+      "4\n",
+      "5\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Loop with range example\n",
+    "for x in range(6):\n",
+    "  print(x)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 83,
+   "id": "cbf03e9b",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "2\n",
+      "3\n",
+      "4\n",
+      "5\n"
+     ]
+    }
+   ],
+   "source": [
+    "#  loop with range and start example\n",
+    "for x in range(2, 6):\n",
+    "  print(x)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 84,
+   "id": "811e2ffc",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "2\n",
+      "5\n",
+      "8\n",
+      "11\n",
+      "14\n",
+      "17\n",
+      "20\n",
+      "23\n",
+      "26\n",
+      "29\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Loop with range example with step\n",
+    "for x in range(2, 30, 3):\n",
+    "  print(x)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 85,
+   "id": "331755b3",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "0\n",
+      "1\n",
+      "2\n",
+      "3\n",
+      "4\n",
+      "5\n",
+      "Finally finished!\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Loop with else example\n",
+    "for x in range(6):\n",
+    "  print(x)\n",
+    "else:\n",
+    "  print(\"Finally finished!\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 86,
+   "id": "8adec0ef",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "red apple\n",
+      "red banana\n",
+      "red cherry\n",
+      "big apple\n",
+      "big banana\n",
+      "big cherry\n",
+      "tasty apple\n",
+      "tasty banana\n",
+      "tasty cherry\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Nested loops example\n",
+    "adj = [\"red\", \"big\", \"tasty\"]\n",
+    "fruits = [\"apple\", \"banana\", \"cherry\"]\n",
+    "\n",
+    "for x in adj:\n",
+    "  for y in fruits:\n",
+    "    print(x, y)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 87,
+   "id": "cdbd0d25",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Loop with pass example\n",
+    "for x in [0, 1, 2]:\n",
+    "  pass"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "df4de683",
+   "metadata": {},
+   "source": [
+    "# Basic Loop Exercise"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 88,
+   "id": "a6718b53",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "1\n",
+      "2\n",
+      "3\n",
+      "4\n",
+      "5\n",
+      "6\n",
+      "7\n",
+      "8\n",
+      "9\n",
+      "10\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Print Numbers from 1 to 10\n",
+    "for i in range(1, 11):\n",
+    "    print(i)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 89,
+   "id": "7dcb2102",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "2\n",
+      "4\n",
+      "6\n",
+      "8\n",
+      "10\n",
+      "12\n",
+      "14\n",
+      "16\n",
+      "18\n",
+      "20\n",
+      "22\n",
+      "24\n",
+      "26\n",
+      "28\n",
+      "30\n",
+      "32\n",
+      "34\n",
+      "36\n",
+      "38\n",
+      "40\n",
+      "42\n",
+      "44\n",
+      "46\n",
+      "48\n",
+      "50\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Print Even Numbers from 1 to 50\n",
+    "for i in range(2, 51, 2):\n",
+    "    print(i)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 90,
+   "id": "4901d8e5",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "1\n",
+      "4\n",
+      "9\n",
+      "16\n",
+      "25\n",
+      "36\n",
+      "49\n",
+      "64\n",
+      "81\n",
+      "100\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Print Squares of Numbers 1 to 10\n",
+    "for i in range(1, 11):\n",
+    "    print(i * i)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 91,
+   "id": "47f05e67",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "5050\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Sum of First N Numbers\n",
+    "n = 100\n",
+    "total = 0\n",
+    "for i in range(1, n + 1):\n",
+    "    total += i\n",
+    "print(total)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 92,
+   "id": "2305a1ef",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "5 x 1 = 5\n",
+      "5 x 2 = 10\n",
+      "5 x 3 = 15\n",
+      "5 x 4 = 20\n",
+      "5 x 5 = 25\n",
+      "5 x 6 = 30\n",
+      "5 x 7 = 35\n",
+      "5 x 8 = 40\n",
+      "5 x 9 = 45\n",
+      "5 x 10 = 50\n"
+     ]
+    }
+   ],
+   "source": [
+    "#  Multiplication Table\n",
+    "for i in range(1, 11):\n",
+    "    print(f\"5 x {i} = {5 * i}\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 93,
+   "id": "7ea44b23",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "* \n",
+      "* * \n",
+      "* * * \n",
+      "* * * * \n",
+      "* * * * * \n"
+     ]
+    }
+   ],
+   "source": [
+    "# Print a Pattern\n",
+    "# * \n",
+    "# * * \n",
+    "# * * * \n",
+    "# * * * * \n",
+    "# * * * * * \n",
+    "for i in range(1, 6):\n",
+    "    print(\"* \" * i)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 94,
+   "id": "0d5cf55d",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "120\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Find the Factorial of a Number\n",
+    "n = 5\n",
+    "fact = 1\n",
+    "for i in range(1, n + 1):\n",
+    "    fact *= i\n",
+    "print(fact)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 95,
+   "id": "cd78c599",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "o\n",
+      "l\n",
+      "l\n",
+      "e\n",
+      "h\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Reverse a String\n",
+    "word = \"hello\"\n",
+    "for char in reversed(word):\n",
+    "    print(char)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 96,
+   "id": "d45a816d",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "3\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Count Vowels in a String\n",
+    "word = \"programming\"\n",
+    "vowels = \"aeiou\"\n",
+    "count = 0\n",
+    "for char in word:\n",
+    "    if char in vowels:\n",
+    "        count += 1\n",
+    "print(count)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 97,
+   "id": "dd03f6c7",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "30\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Sum of Elements in a List\n",
+    "numbers = [2, 4, 6, 8, 10]\n",
+    "total = 0\n",
+    "for num in numbers:\n",
+    "    total += num\n",
+    "print(total)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 98,
+   "id": "8aeb306a",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[11, 12, 13]\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Given nums = [1, 2, 3], add 10 to each number using a loop.\n",
+    "nums = [1, 2, 3]\n",
+    "for i in range(len(nums)):\n",
+    "    nums[i] += 10\n",
+    "print(nums)"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "all",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.12.9"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}

combind_dic_list_loops.ipynb

@@ -0,0 +1,381 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "e545f9aa",
+   "metadata": {},
+   "source": [
+    "# Combine Operations"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "8debcab5",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{1: 1, 2: 4, 3: 9, 4: 16, 5: 25}\n"
+     ]
+    }
+   ],
+   "source": [
+    "dic = {}\n",
+    "for x in range(1, 6):\n",
+    "    dic[x] = x ** 2\n",
+    "    # dic.update({x: x ** 2})\n",
+    "print(dic)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "19abd5c1",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{1: 1, 2: 4, 3: 9, 4: 16, 5: 25}\n"
+     ]
+    }
+   ],
+   "source": [
+    "squares = {x: x ** 2 for x in range(1, 6)}\n",
+    "print(squares)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "id": "e842f3d7",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{2: 4, 4: 16, 6: 36, 8: 64, 10: 100}\n"
+     ]
+    }
+   ],
+   "source": [
+    "dic = {}\n",
+    "for x in range(1, 11):\n",
+    "  if x % 2 == 0:\n",
+    "    dic[x] = x ** 2\n",
+    "    # dic.update({x: x ** 2})\n",
+    "print(dic)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "id": "44546b3d",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{2: 4, 4: 16, 6: 36, 8: 64, 10: 100}\n"
+     ]
+    }
+   ],
+   "source": [
+    "squares = {x: x ** 2 for x in range(1, 11) if x % 2 == 0}\n",
+    "print(squares)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "id": "56cdc396",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "users = [\n",
+    "  {\n",
+    "    \"_id\": \"u12345\",\n",
+    "    \"name\": \"Rahman\",\n",
+    "    \"email\": \"rahman@example.com\",\n",
+    "    \"age\": 28,\n",
+    "    \"isActive\": True,\n",
+    "    \"address\": {\n",
+    "      \"street\": \"123 Lakeview Road\",\n",
+    "      \"city\": \"Dhaka\",\n",
+    "      \"zip\": \"1207\"\n",
+    "    },\n",
+    "    \"hobbies\": [\"reading\", \"gaming\", \"traveling\"],\n",
+    "    \"orders\": [\n",
+    "      {\n",
+    "        \"order_id\": \"ord1001\",\n",
+    "        \"date\": \"2025-05-01\",\n",
+    "        \"items\": [\n",
+    "          {\"product\": \"Book\", \"price\": 12.99, \"quantity\": 1},\n",
+    "          {\"product\": \"Pen\", \"price\": 1.99, \"quantity\": 3}\n",
+    "        ],\n",
+    "        \"total\": 18.96\n",
+    "      },\n",
+    "      {\n",
+    "        \"order_id\": \"ord1002\",\n",
+    "        \"date\": \"2025-05-04\",\n",
+    "        \"items\": [\n",
+    "          {\"product\": \"Shoes\", \"price\": 45.00, \"quantity\": 1}\n",
+    "        ],\n",
+    "        \"total\": 45.00\n",
+    "      }\n",
+    "    ]\n",
+    "  },\n",
+    "  {\n",
+    "    \"_id\": \"u12346\",\n",
+    "    \"name\": \"Fatima\",\n",
+    "    \"email\": \"fatima@example.com\",\n",
+    "    \"age\": 32,\n",
+    "    \"isActive\": False,\n",
+    "    \"address\": {\n",
+    "      \"street\": \"78 Rose Lane\",\n",
+    "      \"city\": \"Chittagong\",\n",
+    "      \"zip\": \"4000\"\n",
+    "    },\n",
+    "    \"hobbies\": [\"painting\", \"yoga\"],\n",
+    "    \"orders\": [\n",
+    "      {\n",
+    "        \"order_id\": \"ord1003\",\n",
+    "        \"date\": \"2025-05-02\",\n",
+    "        \"items\": [\n",
+    "          {\"product\": \"Canvas\", \"price\": 25.50, \"quantity\": 2}\n",
+    "        ],\n",
+    "        \"total\": 51.00\n",
+    "      }\n",
+    "    ]\n",
+    "  },\n",
+    "  {\n",
+    "    \"_id\": \"u12347\",\n",
+    "    \"name\": \"Karim\",\n",
+    "    \"email\": \"karim@example.com\",\n",
+    "    \"age\": 40,\n",
+    "    \"isActive\": True,\n",
+    "    \"address\": {\n",
+    "      \"street\": \"10 Green Street\",\n",
+    "      \"city\": \"Khulna\",\n",
+    "      \"zip\": \"9100\"\n",
+    "    },\n",
+    "    \"hobbies\": [\"fishing\", \"cycling\", \"chess\"],\n",
+    "    \"orders\": []\n",
+    "  },\n",
+    "  {\n",
+    "    \"_id\": \"u12348\",\n",
+    "    \"name\": \"Ayesha\",\n",
+    "    \"email\": \"ayesha@example.com\",\n",
+    "    \"age\": 25,\n",
+    "    \"isActive\": True,\n",
+    "    \"address\": {\n",
+    "      \"street\": \"56 Mango Street\",\n",
+    "      \"city\": \"Sylhet\",\n",
+    "      \"zip\": \"3100\"\n",
+    "    },\n",
+    "    \"hobbies\": [\"dancing\", \"baking\"],\n",
+    "    \"orders\": [\n",
+    "      {\n",
+    "        \"order_id\": \"ord1004\",\n",
+    "        \"date\": \"2025-05-05\",\n",
+    "        \"items\": [\n",
+    "          {\"product\": \"Dress\", \"price\": 30.00, \"quantity\": 1},\n",
+    "          {\"product\": \"Handbag\", \"price\": 40.00, \"quantity\": 1}\n",
+    "        ],\n",
+    "        \"total\": 70.00\n",
+    "      }\n",
+    "    ]\n",
+    "  }\n",
+    "]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "id": "11151195",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[{'_id': 'u12345',\n",
+       "  'name': 'Rahman',\n",
+       "  'email': 'rahman@example.com',\n",
+       "  'age': 28,\n",
+       "  'isActive': True,\n",
+       "  'address': {'street': '123 Lakeview Road', 'city': 'Dhaka', 'zip': '1207'},\n",
+       "  'hobbies': ['reading', 'gaming', 'traveling'],\n",
+       "  'orders': [{'order_id': 'ord1001',\n",
+       "    'date': '2025-05-01',\n",
+       "    'items': [{'product': 'Book', 'price': 12.99, 'quantity': 1},\n",
+       "     {'product': 'Pen', 'price': 1.99, 'quantity': 3}],\n",
+       "    'total': 18.96},\n",
+       "   {'order_id': 'ord1002',\n",
+       "    'date': '2025-05-04',\n",
+       "    'items': [{'product': 'Shoes', 'price': 45.0, 'quantity': 1}],\n",
+       "    'total': 45.0}]},\n",
+       " {'_id': 'u12347',\n",
+       "  'name': 'Karim',\n",
+       "  'email': 'karim@example.com',\n",
+       "  'age': 40,\n",
+       "  'isActive': True,\n",
+       "  'address': {'street': '10 Green Street', 'city': 'Khulna', 'zip': '9100'},\n",
+       "  'hobbies': ['fishing', 'cycling', 'chess'],\n",
+       "  'orders': []},\n",
+       " {'_id': 'u12348',\n",
+       "  'name': 'Ayesha',\n",
+       "  'email': 'ayesha@example.com',\n",
+       "  'age': 25,\n",
+       "  'isActive': True,\n",
+       "  'address': {'street': '56 Mango Street', 'city': 'Sylhet', 'zip': '3100'},\n",
+       "  'hobbies': ['dancing', 'baking'],\n",
+       "  'orders': [{'order_id': 'ord1004',\n",
+       "    'date': '2025-05-05',\n",
+       "    'items': [{'product': 'Dress', 'price': 30.0, 'quantity': 1},\n",
+       "     {'product': 'Handbag', 'price': 40.0, 'quantity': 1}],\n",
+       "    'total': 70.0}]}]"
+      ]
+     },
+     "execution_count": 6,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "active_users = [user for user in users if user[\"isActive\"]]\n",
+    "active_users"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "id": "5d4e9086",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[{'name': 'Rahman', 'email': 'rahman@example.com'},\n",
+       " {'name': 'Fatima', 'email': 'fatima@example.com'},\n",
+       " {'name': 'Ayesha', 'email': 'ayesha@example.com'}]"
+      ]
+     },
+     "execution_count": 7,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "users_with_orders = [\n",
+    "    {\"name\": user[\"name\"], \"email\": user[\"email\"]}\n",
+    "    for user in users if len(user[\"orders\"]) > 0\n",
+    "]\n",
+    "users_with_orders"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "id": "75657de8",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[{'name': 'Rahman', 'total_spent': 63.96},\n",
+       " {'name': 'Fatima', 'total_spent': 51.0},\n",
+       " {'name': 'Karim', 'total_spent': 0},\n",
+       " {'name': 'Ayesha', 'total_spent': 70.0}]"
+      ]
+     },
+     "execution_count": 8,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "user_spending = [\n",
+    "    {\n",
+    "        \"name\": user[\"name\"],\n",
+    "        \"total_spent\": sum(order[\"total\"] for order in user[\"orders\"])\n",
+    "    }\n",
+    "    for user in users\n",
+    "]\n",
+    "user_spending"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "id": "04860cbc",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Book\n",
+      "Pen\n",
+      "Shoes\n"
+     ]
+    }
+   ],
+   "source": [
+    "for user in users:\n",
+    "    if user['name'] == 'Rahman':\n",
+    "        for i in user['orders']:\n",
+    "            for j in i['items']:\n",
+    "                print(j['product'])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 12,
+   "id": "940feb5c",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "31.25"
+      ]
+     },
+     "execution_count": 12,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "avg_age = sum(user[\"age\"] for user in users) / len(users)\n",
+    "avg_age"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "all",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.12.9"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}