Question

How to print every combination of characters in a string with a length of N digits using Python

Answer 1

def get_combinations(words, length):
    if length == 0:
        return []
    
    combinations = [[word] for word in words]
    
    while length > 1:
        lst = []
        for val in combinations:
            lst.extend(val + [word] for word in words)
        combinations = lst[:]
        length -= 1
        
    return combinations
    
    
print(get_combinations("01", 2))
print(get_combinations("01", 3))


 
'''
run:
 
[['0', '0'], ['0', '1'], ['1', '0'], ['1', '1']]
[['0', '0', '0'], ['0', '0', '1'], ['0', '1', '0'], ['0', '1', '1'], ['1', '0', '0'], ['1', '0', '1'], ['1', '1', '0'], ['1', '1', '1']]

'''

 

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