Create app.py

app.py

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+import streamlit as st
+import numpy as np
+
+# Function to generate the grocery list
+def generate_grocery_list(family_details, budget, region, preferences):
+    grocery_list = []
+    price_estimates = {
+        "Rice (1kg)": 2.5,
+        "Flour (1kg)": 1.2,
+        "Milk (1L)": 1.5,
+        "Eggs (12)": 2.0,
+        "Chicken (1kg)": 5.0,
+        "Beef (1kg)": 8.0,
+        "Vegetables (1kg)": 3.0,
+        "Fruits (1kg)": 4.0,
+        "Bread (loaf)": 1.0,
+        "Cooking Oil (1L)": 3.5,
+        "Sugar (1kg)": 1.8,
+        "Salt (1kg)": 0.5
+    }
+
+    # Estimate quantity based on family members and age groups
+    rice_needed = family_details['adults'] * 5 + family_details['children_under_5'] * 2 + family_details['children_5_to_12'] * 4
+    flour_needed = family_details['adults'] * 4 + family_details['children_under_5'] * 2 + family_details['children_5_to_12'] * 3
+    milk_needed = family_details['adults'] * 10 + family_details['children_under_5'] * 8 + family_details['children_5_to_12'] * 7
+    eggs_needed = family_details['adults'] * 12 + family_details['children_5_to_12'] * 8
+    chicken_needed = family_details['adults'] * 4 + family_details['children_5_to_12'] * 2
+
+    # Add the items to the grocery list
+    grocery_list.append(f"Rice (kg): {rice_needed} kg")
+    grocery_list.append(f"Flour (kg): {flour_needed} kg")
+    grocery_list.append(f"Milk (L): {milk_needed} L")
+    grocery_list.append(f"Eggs: {eggs_needed} dozen")
+    grocery_list.append(f"Chicken (kg): {chicken_needed} kg")
+    
+    # Calculate the total estimated price
+    total_cost = (rice_needed * price_estimates["Rice (1kg)"] +
+                  flour_needed * price_estimates["Flour (1kg)"] +
+                  milk_needed * price_estimates["Milk (1L)"] +
+                  eggs_needed * price_estimates["Eggs (12)"] +
+                  chicken_needed * price_estimates["Chicken (1kg)"])
+    
+    # Ensure the list fits within the budget
+    if total_cost > budget:
+        grocery_list.append(f"Warning: Your budget of ${budget} is insufficient. Total cost is ${total_cost:.2f}.")
+    else:
+        grocery_list.append(f"Total estimated cost: ${total_cost:.2f}")
+
+    return grocery_list
+
+# Streamlit App UI
+st.title("Family Grocery List Generator")
+st.markdown("""
+    **Create a monthly grocery list based on your family size, preferences, and budget.**
+""")
+
+# Collecting user inputs
+st.sidebar.header("Enter Your Family Details")
+
+# Number of family members in different age groups
+num_adults = st.sidebar.number_input("Number of Adults (Age 18+)", min_value=0, value=2)
+num_children_under_5 = st.sidebar.number_input("Number of Children under 5", min_value=0, value=1)
+num_children_5_to_12 = st.sidebar.number_input("Number of Children (5-12 years)", min_value=0, value=1)
+num_teenagers = st.sidebar.number_input("Number of Teenagers (13-18 years)", min_value=0, value=1)
+
+# Family preferences
+food_preferences = st.sidebar.selectbox("Food Preferences", ["Halal", "Vegetarian", "Non-Vegetarian"])
+region = st.sidebar.selectbox("Region", ["South Asia", "Middle East", "North America", "Europe"])
+
+# Budget
+budget = st.sidebar.number_input("Monthly Grocery Budget ($)", min_value=50, value=150)
+
+# Family Details Dictionary
+family_details = {
+    'adults': num_adults,
+    'children_under_5': num_children_under_5,
+    'children_5_to_12': num_children_5_to_12,
+    'teenagers': num_teenagers
+}
+
+# Button to generate grocery list
+if st.sidebar.button("Generate Grocery List"):
+    # Generate the list based on user inputs
+    grocery_list = generate_grocery_list(family_details, budget, region, food_preferences)
+
+    # Display the grocery list
+    st.subheader("Your Monthly Grocery List:")
+    for item in grocery_list:
+        st.write(f"- {item}")
+    
+    # Prepare the quotation text
+    grocery_list_text = "\n".join(grocery_list)
+    
+    # Provide a download button for the list
+    st.download_button(
+        label="Download Grocery List",
+        data=grocery_list_text.encode('utf-8'),
+        file_name="monthly_grocery_list.txt",
+        mime="text/plain"
+    )
+
+# About Section
+st.sidebar.markdown("""
+    ## About the App
+    This app helps you create a monthly grocery list based on the size and preferences of your family.
+    You can input the number of adults, children, teenagers, and specify food preferences like Halal, Vegetarian, or Non-Vegetarian.
+    The app then generates a grocery list along with estimated prices and compares it to your budget.
+""")