Flatten lists 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 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

2 votes216 views1 answer
Python range in intervals of 10
Python
0 vote216 views1 answer
Convert json file to dict - if comming as list
Python
25 votes310 views2 answers
Create new django app
Python Django
1 vote239 views1 answer
Camera lags when using with opencv
Python
99 votes231 views6 answers
How to make python file executable
Python
0 vote214 views1 answer
Python disable warning deprecated
Python
0 vote221 views1 answer
Could not find a version that satisfies the requirement psycopg2>=2.8 (from pgcli) (from versions: 2.7.5, 2.7.6, 2.7.6.1, 2.7.7)
Python
0 vote234 views1 answer
Pandas join tables based on column of different length
Python
0 vote172 views1 answer
Monoamine oxidase inhibitor
Python
2 votes181 views2 answers
How to play audio in python
Python