final_project.py

def main():
    print("Welcome to your personal health and nutrition supporting tool!")
    print()
    personal_name = input("What is your name, babe? ")
    print(f"Hello, {personal_name}! Let's get started with BMI and BMR calculations. I need your help with some personal information.")
    calculating_scale = int(input("Which scale would you like to use for your calculations? (1 for Metric, 2 for Imperial): "))

    metric_bmi = None

    if calculating_scale == 1:
        print("You have chosen the Metric scale. Please enter your height in meters, and your weight in kilograms.")
        metric_height = float(input("Please enter your height in meters (e.g., 1.75): "))
        metric_weight = float(input("Please enter your weight in kilograms (e.g., 70): "))
        metric_bmi = metric_weight / (metric_height ** 2)
    else:
        print("You have chosen the Imperial scale. Please enter your height in feet, and your weight in pounds.")
        imperial_height = float(input("Please enter your height in feet (e.g., 5.8): "))
        imperial_weight = float(input("Please enter your weight in pounds (e.g., 150): "))
        # Convert height from feet to meters and weight from pounds to kilograms
        metric_height = imperial_height * 0.3048  # Convert feet to meters
        metric_weight = imperial_weight * 0.453592  # Convert pounds to kilograms
        metric_bmi = metric_weight / (metric_height ** 2)

    # Calculate BMR
    age = int(input("Please enter your age in years: "))
    gender = input("Are you a male or female? (M/F): ").strip().upper()
    activity_level = int(input("Please identify your activity level: 1. Sedentary (little or no exercise), 2. Lightly active (1-3 days/week), 3. Moderately active (3-5 days/week), 4. Very active (6-7 days a week), 5. Super active (twice a day): "))
    if gender == 'M':
        bmr = activity_level * (66.5 + (13.75 * metric_weight) + (5.003 * (metric_height * 100)) - (6.755 * age))
    else:
        bmr = activity_level * (655.1 + (9.563 * metric_weight) + (1.850 * (metric_height * 100)) - (4.676 * age))
    personal_goal = int(input("What is your personal goal? (1 for weight loss, 2 for weight maintenance, 3 for weight gain): "))
    if personal_goal == 1:
        bmr -= 500  # Subtract 500 calories for weight loss
    elif personal_goal == 2:
        bmr = bmr  # Maintain current BMR
    else:
        bmr += 300  # Add 300 calories for weight gain

    # Break down BMR into macronutrients
    if metric_bmi < 18.5:
        protein_level = 1.2  # Higher protein for weight gain, unit: grams per kg
        protein_weight = protein_level * metric_weight # Calculate protein intake in grams
        protein_calories = protein_weight * 4 # Convert grams to calories
    elif 18.5 <= metric_bmi < 24.9:
        protein_level = 1.0  # Standard protein intake, unit: grams per kg
        protein_weight = protein_level * metric_weight
        protein_calories = protein_weight * 4
    else:
        protein_level = 0.8 # Lower protein intake for weight loss, unit: grams per kg
        protein_weight = protein_level * metric_weight
        protein_calories = protein_weight * 4
    fat_calories = bmr * 0.25  # 25% of BMR from fat
    fat_weight = fat_calories / 9 # Convert calories to grams of fat
    carb_calories = bmr - (protein_calories + fat_calories)  # Remaining calories from carbohydrates
    carb_weight = carb_calories / 4  # Convert calories to grams of carbohydrates
    print()

    # Calculate fiber intake
    if metric_bmi < 18.5:
        fiber_intake = 25  # Recommended fiber intake for underweight individuals
    elif 18.5 <= metric_bmi < 24.9:
        fiber_intake = 30  # Recommended fiber intake for healthy individuals
    else:
        fiber_intake = 35  # Recommended fiber intake for overweight/obese individuals

    # Final output
    print("Here is your personalized health and nutrition breakdown:")
    print(f"Name: {personal_name}")
    print(f"Age: {age} years old")
    print(f"Gender: {gender}")
    if calculating_scale == 1:
        print("Scale: Metric")
        print(f"Height: {metric_height:.2f} meters")
        print(f"Weight: {metric_weight:.1f} kg")
    else:
        print("Scale: Imperial")
        print(f"Height: {imperial_height:.2f} feet")
        print(f"Weight: {imperial_weight:.1f} lbs")
    if metric_bmi < 18.5:
        print(f"BMI: {metric_bmi:.1f}")
        print("BMI Category: Underweight")
    elif 18.5 <= metric_bmi < 24.9:
        print(f"BMI: {metric_bmi:.1f}")
        print("BMI Category: Healthy")
    elif 25 <= metric_bmi < 29.9:
        print(f"BMI: {metric_bmi:.1f}")
        print("BMI Category: Overweight")
    else:
        print(f"BMI: {metric_bmi:.1f}")
        print("BMI Category: Obese")
    print(f"Your personal goal: {'Weight Loss' if personal_goal == 1 else 'Weight Maintenance' if personal_goal == 2 else 'Weight Gain'}")
    print(f"BMR: {bmr:.0f} calories/day")
    print(f"Recommended Daily Protein Intake: {protein_weight:.1f} grams ({protein_calories:.0f} calories)")
    print(f"Recommended Daily Fat Intake: {fat_weight:.1f} grams ({fat_calories:.0f} calories)")
    print(f"Recommended Daily Carbohydrate Intake: {carb_weight:.1f} grams ({carb_calories:.0f} calories)")
    print(f"Recommended Daily Fiber Intake: {fiber_intake} grams")
    print("Thank you for using the tool! Remember to consult with a healthcare professional for personalized advice.")


if __name__ == '__main__':
    main()