{
  "cells": [
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "# Dictionaries Operations"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 72,
      "metadata": {
        "id": "yih6CE4RiIrl"
      },
      "outputs": [],
      "source": [
        "Dictionaries = {\"key1\":\"value1\"}"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 73,
      "metadata": {
        "id": "VLkxduR8hSQ_"
      },
      "outputs": [
        {
          "name": "stdout",
          "output_type": "stream",
          "text": [
            "{'brand': 'Ford', 'model': 'Mustang', 'year': 1964}\n",
            "<class 'dict'>\n"
          ]
        }
      ],
      "source": [
        "# Create Dictionaries\n",
        "dic = {\n",
        "  \"brand\": \"Ford\",\n",
        "  \"model\": \"Mustang\",\n",
        "  \"year\": 1964\n",
        "}\n",
        "print(dic)\n",
        "print(type(dic))"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 74,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "cOUjZZdviN0G",
        "outputId": "f2c4422e-453a-4f72-9bf0-f699c6339afd"
      },
      "outputs": [
        {
          "name": "stdout",
          "output_type": "stream",
          "text": [
            "{'brand': 'Ford', 'model': 'Mustang', 'year': 1964}\n"
          ]
        }
      ],
      "source": [
        "dic = dict(brand = \"Ford\", model = \"Mustang\", year = 1964)\n",
        "print(dic)"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 75,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "Pq5DQvKGkJO7",
        "outputId": "e5e8474c-75b8-4e59-dd4a-6c81c92901a6"
      },
      "outputs": [
        {
          "name": "stdout",
          "output_type": "stream",
          "text": [
            "1964\n"
          ]
        }
      ],
      "source": [
        "# Accessing Items\n",
        "x = dic[\"year\"]\n",
        "print(x)"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 76,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 35
        },
        "id": "7NrgctylkR0D",
        "outputId": "a1c24afa-80c7-4535-fda4-796de9986b9f"
      },
      "outputs": [
        {
          "data": {
            "text/plain": [
              "'Mustang'"
            ]
          },
          "execution_count": 76,
          "metadata": {},
          "output_type": "execute_result"
        }
      ],
      "source": [
        "x = dic.get(\"model\")\n",
        "x"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 77,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "t9pG91qkkYDk",
        "outputId": "156acb1f-8197-4799-c6db-8cf4dc05a5b4"
      },
      "outputs": [
        {
          "name": "stdout",
          "output_type": "stream",
          "text": [
            "dict_keys(['brand', 'model', 'year'])\n",
            "['brand', 'model', 'year']\n"
          ]
        }
      ],
      "source": [
        "# keys()\n",
        "x = dic.keys()\n",
        "print(x)\n",
        "print(list(x))"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 78,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "XIY6AocbifhJ",
        "outputId": "ce5bbca4-2808-4d80-bfa2-91eb5321e8d4"
      },
      "outputs": [
        {
          "name": "stdout",
          "output_type": "stream",
          "text": [
            "dict_values(['Ford', 'Mustang', 1964])\n",
            "['Ford', 'Mustang', 1964]\n"
          ]
        }
      ],
      "source": [
        "# values()\n",
        "x = dic.values()\n",
        "print(x)\n",
        "print(list(x))"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 79,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "r3UjUOwMir1v",
        "outputId": "e9946a9b-d7e8-4e58-8e06-8772b0ca87ee"
      },
      "outputs": [
        {
          "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",
        "print(x)\n",
        "print(list(x))"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 80,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "P-jX07npkdWt",
        "outputId": "41980110-ea06-4eec-f3ab-864c32906360"
      },
      "outputs": [
        {
          "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",
        "print('After add color:',dic)\n",
        "\n",
        "d= {\"power\":\"315 HP\"}\n",
        "dic.update(d)\n",
        "print('After add power:',dic)"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 81,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "vTI0Js9Qk4i3",
        "outputId": "fedbb0b2-c422-44dd-96a6-0e737cc1c601"
      },
      "outputs": [
        {
          "name": "stdout",
          "output_type": "stream",
          "text": [
            "{'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(dic) #before the change\n",
        "\n",
        "dic[\"year\"] = 2020\n",
        "dic[\"power\"] = '400 HP'\n",
        "\n",
        "print(dic) #after the change"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "0H-RH2KAk01h"
      },
      "source": [
        "IF condition on dictionary"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 82,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "RIKmYHRslRkZ",
        "outputId": "25a74495-4db4-4dce-c157-f15ad5d609cf"
      },
      "outputs": [
        {
          "name": "stdout",
          "output_type": "stream",
          "text": [
            "Mustang\n"
          ]
        }
      ],
      "source": [
        "if \"model\" in dic:\n",
        "  print(dic[\"model\"])"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "aHCU62mgl42t"
      },
      "source": [
        "Remove"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 83,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "Tt7MiZJ4lbX6",
        "outputId": "fb951324-8c71-4bf4-da40-c260cbcae871"
      },
      "outputs": [
        {
          "name": "stdout",
          "output_type": "stream",
          "text": [
            "{'brand': 'Ford', 'year': 2020, 'color': 'white', 'power': '400 HP'}\n"
          ]
        }
      ],
      "source": [
        "dic.pop(\"model\")\n",
        "print(dic)"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 84,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "5rLw_HJGluTk",
        "outputId": "b0a40a0f-034b-4816-a8af-64d3b646bbb2"
      },
      "outputs": [
        {
          "name": "stdout",
          "output_type": "stream",
          "text": [
            "{'brand': 'Ford', 'year': 2020, 'color': 'white'}\n"
          ]
        }
      ],
      "source": [
        "dic.popitem()\n",
        "print(dic)"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 85,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "HXjuyg0Kl2c1",
        "outputId": "ebbd008f-6835-4a42-8426-54817e62e76d"
      },
      "outputs": [
        {
          "name": "stdout",
          "output_type": "stream",
          "text": [
            "{'brand': 'Ford', 'color': 'white'}\n"
          ]
        }
      ],
      "source": [
        "del dic[\"year\"]\n",
        "print(dic)"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 86,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "NaGVNcQLl_Ct",
        "outputId": "8f88b9c5-6606-44c4-86c9-bd0ed5d3cfb4"
      },
      "outputs": [
        {
          "name": "stdout",
          "output_type": "stream",
          "text": [
            "{}\n"
          ]
        }
      ],
      "source": [
        "dic.clear()\n",
        "print(dic)"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "2g18Gu0Ck-t9"
      },
      "source": [
        "for loop in dictionary"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 87,
      "metadata": {
        "id": "sjuLUjk4lMMW"
      },
      "outputs": [],
      "source": [
        "dic = {\n",
        "  \"brand\": \"Ford\",\n",
        "  \"model\": \"Mustang\",\n",
        "  \"year\": 1964\n",
        "}"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 88,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "viXaYxIwlOED",
        "outputId": "ca313f60-0338-40df-c3be-c125fca936de"
      },
      "outputs": [
        {
          "name": "stdout",
          "output_type": "stream",
          "text": [
            "brand\n",
            "model\n",
            "year\n"
          ]
        }
      ],
      "source": [
        "# for loop with keys\n",
        "for x in dic:\n",
        "  print(x)"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 89,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "8tybG7eClb1A",
        "outputId": "4d3545c0-b679-4522-b26d-70364c931348"
      },
      "outputs": [
        {
          "name": "stdout",
          "output_type": "stream",
          "text": [
            "brand\n",
            "model\n",
            "year\n"
          ]
        }
      ],
      "source": [
        "# for loop with keys\n",
        "for x in dic.keys():\n",
        "  print(x)"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 90,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "hWpbaVpQmFTG",
        "outputId": "f7ab0e1a-2329-41ce-fb4c-747eee4605b7"
      },
      "outputs": [
        {
          "name": "stdout",
          "output_type": "stream",
          "text": [
            "Ford\n",
            "Mustang\n",
            "1964\n"
          ]
        }
      ],
      "source": [
        "# for loop with values\n",
        "for x in dic:\n",
        "  print(dic[x])"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 91,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "PFYLUr8GljJA",
        "outputId": "b62871c8-9390-4f84-a783-0d5bfb17de3c"
      },
      "outputs": [
        {
          "name": "stdout",
          "output_type": "stream",
          "text": [
            "Ford\n",
            "Mustang\n",
            "1964\n"
          ]
        }
      ],
      "source": [
        "# for loop with values\n",
        "for x in dic.values():\n",
        "  print(x)"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 92,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "7NEARCAimQmX",
        "outputId": "ab8c1e97-025f-4619-bd8b-92731b8fdca3"
      },
      "outputs": [
        {
          "name": "stdout",
          "output_type": "stream",
          "text": [
            "brand : Ford\n",
            "model : Mustang\n",
            "year : 1964\n"
          ]
        }
      ],
      "source": [
        "# for loop with items\n",
        "for x, y in dic.items():\n",
        "  print(x,':', y)"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 93,
      "metadata": {
        "id": "GjgwAYbZmtFC"
      },
      "outputs": [],
      "source": [
        "# Nested dictionaries\n",
        "child1 = {\n",
        "  \"name\" : \"Rohan\",\n",
        "  \"year\" : 2004\n",
        "}\n",
        "child2 = {\n",
        "  \"name\" : \"Rakib\",\n",
        "  \"year\" : 2007\n",
        "}\n",
        "child3 = {\n",
        "  \"name\" : \"Rana\",\n",
        "  \"year\" : 2011\n",
        "}\n",
        "\n",
        "myfamily = {\n",
        "  \"child1\" : child1,\n",
        "  \"child2\" : child2,\n",
        "  \"child3\" : child3\n",
        "}"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 94,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "28qYsQ-erbHA",
        "outputId": "330b9c15-a7be-45bc-a02e-970daa992ff2"
      },
      "outputs": [
        {
          "data": {
            "text/plain": [
              "{'child1': {'name': 'Rohan', 'year': 2004},\n",
              " 'child2': {'name': 'Rakib', 'year': 2007},\n",
              " 'child3': {'name': 'Rana', 'year': 2011}}"
            ]
          },
          "execution_count": 94,
          "metadata": {},
          "output_type": "execute_result"
        }
      ],
      "source": [
        "myfamily"
      ]
    }
  ],
  "metadata": {
    "colab": {
      "provenance": []
    },
    "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": 0
}