Age Calculator


from datetime import datetime, date

def calculate_age(birth_date):
    today = date.today()
    age = today.year - birth_date.year

    # Adjust age if birthday hasn't occurred yet this year
    if (today.month, today.day) < (birth_date.month, birth_date.day):
        age -= 1

    return age

def main():
    print("--- Age Calculator ---")
    
    try:
        dob_str = input("Enter your date of birth (YYYY-MM-DD): ")
        birth_date = datetime.strptime(dob_str, "%Y-%m-%d").date()
        
        age = calculate_age(birth_date)
        print(f"You are {age} years old.")
    except ValueError:
        print("Invalid date format. Please use YYYY-MM-DD.")

main()


--- Age Calculator ---
Enter your date of birth (YYYY-MM-DD): 2000-07-07
You are 25 years old.