Flatten a list of list python

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)

Source: stackoverflow.com

Flatten a list of lists python

flattened = [val for sublist in list_of_lists for val in sublist]

Source: stackoverflow.com

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 lists python

flat_list = []
for sublist in l:
    for item in sublist:
        flat_list.append(item)

-2

Source: stackoverflow.com

Similar codes

54 votes118 views2 answers
How to run django requirement.txt
Python
0 vote88 views1 answer
Sxrf argument missing from post
Python
12 votes116 views3 answers
Screen size python
Python
0 vote97 views1 answer
Fix misspelled in Wikipedia library on python
Python
0 vote91 views1 answer
Qaction disacble python
Python
8 votes97 views3 answers
Data type
Python
30 votes112 views4 answers
Python get current hour
Python
4 votes109 views2 answers
Django reset database
Python
1 vote100 views2 answers
Block window if another window is open tkinter
Python
5 votes111 views4 answers
Execute command and get output python
Python