/Python/Python sort a 2d array by custom function

Python sort a 2d array by custom function

>>> a = [
     [12, 18, 6, 3], 
     [ 4,  3, 1, 2], 
     [15,  8, 9, 6]
]
>>> a.sort(key=lambda x: x[1])
>>> a
[[4,  3,  1, 2], 
 [15, 8,  9, 6], 
 [12, 18, 6, 3]]

Source: stackoverflow.com

Similar codes

0 vote276 views1 answer
Zscore python
Python
0 vote275 views1 answer
Pycord discord discordpy get total slash commands and total commands regestered in your bot
Python
13 votes255 views3 answers
Pandas set a value in colmns as the maximum value
Python
2 votes265 views1 answer
Jupyter clear cell output programmatically
Python
5 votes255 views2 answers
How to open xml file element tree
Python
1 vote265 views1 answer
Find unique values in all columns in Pandas DataFrame
Python
0 vote254 views1 answer
Python create a pinging sound
Python
0 vote286 views1 answer
Get list of all document in django-elasticsearch-dsl
Python Django
4 votes293 views2 answers
Convert array to dataframe python
Python
8 votes281 views1 answer
Show more columns / rows of a Pandas DataFrame
Python