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Code: Alles auswählen

In [1]: from itertools import combinations                                           

In [2]: from functools import reduce                                                 

In [3]: from operator import mul                                                     

In [4]: from random import uniform                                                   

In [5]: numbers = [uniform(-20, 20) for _ in range(24)]                            

In [6]: triplets = ((triplet, reduce(mul, triplet)) for triplet in combinations(numbers, 3))                                                                      

In [7]: for item in filter(lambda x:-50.0 < x[1] < 50.0, triplets): 
   ...:     print(item) 

Code: Alles auswählen

In [1]: from itertools import combinations                                           

In [2]: numbers = [float(input()) for _ in range(24)]                                

In [3]: for triplet in combinations(numbers, 3): 
  ....:     # Wenn es immer nur Triplets sind, könnte natürlich auch einfach die drei Zahlen in einer Zeile multiplizieren...     
   ...:     product = 1 
   ...:     for item in triplet: 
   ...:         product *= item 
   ...:     if 30.0 < product < 35.0: 
   ...:         print(triplet, product) 

Code: Alles auswählen

#!/usr/bin/env python
from itertools import combinations

N = 24


def read_number(message=''):
    while True:
        content = input(message)
        try:
            return float(content)
        except ValueError:
            print('Invalid input.')


def main():
    lower = read_number('Lower limit: ')
    upper = read_number('Upper limit: ')
    if lower >= upper:
        raise ValueError
    numbers = []
    print('Numbers:')
    for i in range(N):
        number = read_number('{}. '.format(i + 1))
        numbers.append(number)
    print('=' * 79)
    for triplet in combinations(numbers, 3):
        product = 1
        for item in triplet:
            product *= item
        if lower < product < upper:
            print('{} * {} * {} = {}'.format(*triplet, product))


if __name__ == '__main__':
    main()