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

1 vote291 views1 answer
Task timed out after 3.00 seconds aws lambda python
Python
12 votes264 views2 answers
How to execute a python file from another python file
Python
0 vote268 views1 answer
How to add keyboard to python turtle
Python
0 vote279 views1 answer
Pandas dataframe to parquet s3
Python
44 votes289 views5 answers
Python execute shell command
Python
0 vote251 views1 answer
How to not create a new line in python
Python
1 vote258 views2 answers
Data series to datetime
Python
4 votes251 views2 answers
Python thread pool
Python
0 vote259 views1 answer
Django multiple search fields
Python
2 votes281 views3 answers
Request session python
Python