python flat list from list of list
flat_list = [item for sublist in l for item in sublist]
#which is equivalent to this
flat_list = []
for sublist in l:
for item in sublist:
flat_list.append(item)python flat list from list of list
flat_list = [item for sublist in l for item in sublist]
#which is equivalent to this
flat_list = []
for sublist in l:
for item in sublist:
flat_list.append(item)flatten a list of lists python
flattened = [val for sublist in list_of_lists for val in sublist]flatten a list of list python
# idiomatic python
# using itertools
import itertools
list_of_list = [[1, 2, 3], [4, 5], [6]]
chain = itertools.chain(*images)
flattened_list = list(chain)
# [1, 2, 3, 4, 5, 6]flatten list python
def flatten(L):
for item in L:
try:
yield from flatten(item)
except TypeError:
yield item
list(flatten([[[1, 2, 3], [4, 5]], 6]))
>>>[1, 2, 3, 4, 5, 6]python flatten a list of lists
from collections.abc import Iterable
def flatten(l):
for el in l:
if isinstance(el, Iterable) and not isinstance(el, (str, bytes)):
yield from flatten(el)
else:
yield elCopyright © 2021 Codeinu
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