python flatten a list of lists

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showing results for - "python flatten a list of lists"
Mattia
21 Mar 2018
1flattened = [val for sublist in list_of_lists for val in sublist]
Omar
05 Nov 2018
1# idiomatic python
2
3# using itertools
4import itertools
5
6list_of_list = [[1, 2, 3], [4, 5], [6]]
7chain = itertools.chain(*images)
8
9flattened_list = list(chain)
10# [1, 2, 3, 4, 5, 6]
Marta
01 Sep 2019
1itertools.chain.from_iterable(factors)
Hajar
13 Oct 2019
1from collections.abc import Iterable
2
3def flatten(l):
4    for el in l:
5        if isinstance(el, Iterable) and not isinstance(el, (str, bytes)):
6            yield from flatten(el)
7        else:
8            yield el
9
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