what does the combinations itertools in python do

The anime coder answered on February 23, 2022 Popularity 10/10 Helpfulness 2/10

answer what does the combinations itertools in python do

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what does the combinations itertools in python do

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combinations(iterable, r) : It return r-length tuples in sorted order with no repeated elements. For Example, combinations('ABCD', 2) ==> [AB, AC, AD, BC, BD, CD].

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Contributed on Feb 23 2022

The anime coder

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combination in python without itertools

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#One method that I know works, is the following:

def accumulate(iterable, func=operator.add, *, initial=None):
    'Return running totals'
    # accumulate([1,2,3,4,5]) --> 1 3 6 10 15
    # accumulate([1,2,3,4,5], initial=100) --> 100 101 103 106 110 115
    # accumulate([1,2,3,4,5], operator.mul) --> 1 2 6 24 120
    it = iter(iterable)
    total = initial
    if initial is None:
        try:
            total = next(it)
        except StopIteration:
            return
    yield total
    for element in it:
        total = func(total, element)
        yield total

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Contributed on May 08 2022

Imaginathan

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what does the combinations itertools in python do

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what does the combinations itertools in python do

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combination in python without itertools

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