Ghosty
Ghosty
Programming language:Python
2021-06-02 14:26:39
0
Q:

python flat list from list of list

ssn
ssn
Code: Python
2021-02-09 10:35:52 
flat_list = [item for sublist in l for item in sublist]
11
thule
thule
Code: Python
2021-02-09 10:33:01 
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)
5
miami
miami
Code: Python
2021-02-09 10:36:33 
# 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]
4
Lauren
Lauren
Code: Python
2021-08-03 22:50:37 
flattened = [val for sublist in list_of_lists for val in sublist]
4
Chad Shin
Chad Shin
Code: Python
2021-02-09 10:34:12 
flat_list = []
for sublist in l:
    for item in sublist:
        flat_list.append(item)
-1

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