/Python/Python get all combinations of list

Python get all combinations of list

Python all possible combinations of multiple lists

>>> import itertools
>>> a = [[1,2,3],[4,5,6],[7,8,9,10]]
>>> list(itertools.product(*a))
[(1, 4, 7), (1, 4, 8), (1, 4, 9), (1, 4, 10), (1, 5, 7), (1, 5, 8), (1, 5, 9), (1, 5, 10), (1, 6, 7), (1, 6, 8), (1, 6, 9), (1, 6, 10), (2, 4, 7), (2, 4, 8), (2, 4, 9), (2, 4, 10), (2, 5, 7), (2, 5, 8), (2, 5, 9), (2, 5, 10), (2, 6, 7), (2, 6, 8), (2, 6, 9), (2, 6, 10), (3, 4, 7), (3, 4, 8), (3, 4, 9), (3, 4, 10), (3, 5, 7), (3, 5, 8), (3, 5, 9), (3, 5, 10), (3, 6, 7), (3, 6, 8), (3, 6, 9), (3, 6, 10)]

Source: stackoverflow.com

Get all combinations from two lists python

a = ["foo", "melon"]
b = [True, False]
c = list(itertools.product(a, b))
>> [("foo", True), ("foo", False), ("melon", True), ("melon", False)]

Python get all combinations of list

itertools.combinations(iterable, r)

Python combinations function

def combinations(iterable, r):
    pool = tuple(iterable)
    n = len(pool)
    for indices in permutations(range(n), r):
        if sorted(indices) == list(indices):
            yield tuple(pool[i] for i in indices)

Source: docs.python.org

Similar codes

10 votes101 views3 answers
Python httpserver
Python
1 vote97 views1 answer
Swap rows and columns pandas
Python
0 vote99 views1 answer
How to set pywal permenent
Python
0 vote124 views1 answer
Program to add first and last digit of a number in python
Python
0 vote122 views1 answer
Django.db.utils.IntegrityError: column contains null values
Python Django
-1 vote109 views1 answer
Pathlib change extension
Python
0 vote102 views1 answer
Two input string sum in django
Python
0 vote52 views0 answer
Python
0 vote103 views1 answer
All the positions of a letter occurrences in a string python
Python
0 vote140 views1 answer
How to extract field values in list from queryset in django
Python Django