Two hours of camp planning.
Now solved in seconds.

#!/usr/bin/env python3
# main.py — Scout Meal Planner CLI entrypoint

import random
from collections import defaultdict
from meals_data import base_meals, quantities
import csv

def generate_menu(days, people):
    """
    Generates the camp menu and shopping list.
    Parameters:
        days (int): number of camp days
        people (int): number of participants
    Returns:
        menu (list), shopping_list (dict)
    """
    menu = []
    shopping_list = defaultdict(int)  # initializes with default value = 0

    for day in range(1, days + 1):
        # --- Breakfast selection ---
        breakfast_choice = random.choice(base_meals["breakfast"])

        if "Nutella" in breakfast_choice:
            shopping_list["bread"]   += quantities["bread"] * people
            shopping_list["Nutella"] += quantities["Nutella"] * people
            shopping_list["milk"]    += quantities["milk"] * people

        elif "jam" in breakfast_choice and "tea" not in breakfast_choice:
            shopping_list["bread"] += quantities["bread"] * people
            shopping_list["jam"]   += quantities["jam"] * people
            shopping_list["milk"]  += quantities["milk"] * people

        elif "tea" in breakfast_choice:
            shopping_list["bread"]       += quantities["bread"] * people
            shopping_list["jam"]         += quantities["jam"] * people
            shopping_list["tea soluble"] += quantities["tea soluble"] * people

        # --- Lunch and Dinner selections ---
        lunch_carbs    = random.choice(base_meals["carbs"])
        lunch_protein  = random.choice(base_meals["proteins"])
        lunch_veggie   = random.choice(base_meals["veggies"])
        lunch_fruit    = random.choice(base_meals["fruits"])

        dinner_carbs   = random.choice(base_meals["carbs"])
        dinner_protein = random.choice(base_meals["proteins"])
        dinner_veggie  = random.choice(base_meals["veggies"])
        dinner_fruit   = random.choice(base_meals["fruits"])

        # Format menu for the day
        menu.append(
            f"Day {day}:\n"
            f"  🍞 Breakfast: {breakfast_choice}\n"
            f"  🍽️ Lunch: {lunch_carbs.capitalize()} with {lunch_protein} and {lunch_veggie}\n"
            f"  🍽️ Dinner: {dinner_carbs.capitalize()} with {dinner_protein} and {dinner_veggie}\n"
            f"  🍎 Fruits: {lunch_fruit}, {dinner_fruit}\n"
        )

        # Add items to shopping list with fallback 100g
        for item in [lunch_carbs, lunch_protein, lunch_veggie,
                     dinner_carbs, dinner_protein, dinner_veggie,
                     lunch_fruit, dinner_fruit]:
            shopping_list[item] += quantities.get(item, 100) * people

    return menu, shopping_list