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

27 votes168 views2 answers
Python null
Python
5 votes172 views1 answer
Convert a data frame column values to list
Python
-1 vote157 views1 answer
How to make label background transparent in tkinter
Python
34 votes143 views6 answers
Class python example
Python
1 vote157 views2 answers
Pygame collisions
Python
32 votes166 views6 answers
Remove space from string python
Python
0 vote199 views1 answer
Using default as none in django mdoels
Python Django
0 vote157 views1 answer
Jetson nx unable to install matplotlib
Python
0 vote148 views3 answers
Find rules of decision tree python
Python
2 votes150 views2 answers
Create new list with for loop python
Python