Python code that calculates the maximum product of two numbers from two time intervals

magic_number_for_the_villagers.py

def calculate_dreamcatcher_number(period1, period2):
    a, b = period1
    c, d = period2

    max_product = max(a*c, a*d, b*c, b*d)

    return max_product

if __name__ == "__main__":

    period1 = list(map(int, input().split()))
    period2 = list(map(int, input().split()))

    result = calculate_dreamcatcher_number(period1, period2)
    print(result)