meetups_food_and_drinks.py

CRATE_SIZE = 24


def beer_formula(rsvps):
    minimum = 1.3
    maximum = 2

    return int(minimum * rsvps), int(maximum * rsvps)


def soft_drinks_formula(rsvps):
    minimum = 0.8
    maximum = 1.2

    return int(minimum * rsvps), int(maximum * rsvps)


def calculate(lower_bound, upper_bound):
    for size in range(0, upper_bound, CRATE_SIZE):
        if lower_bound <= size <= upper_bound:
            return size    
    return


print(f'Considering a crate of size {CRATE_SIZE}...\n')
print(f'PERSONS\tBEERS\tSOFT DRINKS')
for persons in range(30, 150, 20):
    beers = calculate(*beer_formula(persons))
    soft_drinks = calculate(*soft_drinks_formula(persons))

    print(f'{persons}\t{int(beers/CRATE_SIZE)}\t{int(soft_drinks/CRATE_SIZE)}')