Itertools without repetition but with multiple combinations

Question

i can’t seem to find a way to use itertools without repetitions while keeping multiple combinations.

What I want :

> my_list = ['a', 'b', 'c']
> the_result_i_want = ['ab', 'ac', 'ba', 'bc', 'ca', 'cb']

What I manage to do so far :

for i in range (2, len(my_list)) : 
    for my_result in itertools.product(my_list, repeat=i) : 
        print(''.join(my_result))

but the result I currently have is aa ab ac ba bb bc ca cb cc
(i know it’s a similar question to this but the answer considere that ab and ba are the same, which in my case should be different)
Thank you !

Asked By: Vincent

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Source

Answer 1

The solution is one item below the documentation for itertools.product, namely itertools.permutations:

from itertools import permutations

print([''.join(item) for item in permutations(my_list, 2)])

gives

['ab', 'ac', 'ba', 'bc', 'ca', 'cb']

Answered By: 9769953

Itertools without repetition but with multiple combinations

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