Double for in loop python

#code to print all atomic members of a list into a single list
#eg convert [[1,2,3], [4,5,6], [7,8,9,10]] to 
l0 = [[1,2,3], [4,5,6], [7,8,9,10]]

flat = [l2 for l1 in l0 for l2 in l1]
#prints out:
#[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

Similar codes

0 vote229 views2 answers
I want to check my python code online
Python
2 votes199 views1 answer
Directory name python
Python
0 vote192 views1 answer
Choose value none in pandas
Python
2 votes269 views1 answer
Django try catch exception
Python
0 vote207 views1 answer
Django listview
Python
0 vote246 views1 answer
Python create unreadable save file
Python
61 votes202 views6 answers
Remove from string python
Python
0 vote198 views1 answer
Django rest framework not getting form
Python
0 vote200 views1 answer
Python requests ignore cert
Python
155 votes290 views6 answers
File exist python
Python