/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 vote138 views1 answer
Import get object
Python
1 vote172 views1 answer
How to convert adjacency list to adjacency matrix
Python
1 vote181 views1 answer
Python for loop even numbers
Python
0 vote142 views1 answer
How to multiply integer value with float values in python
Python
0 vote151 views1 answer
Parquet folder single df dataframe
Python
0 vote148 views1 answer
Python plot auc 95% confidence intervals stackoverflow
Python
0 vote161 views1 answer
Python - subset dataframe based on unique value of a clumn
Python
3 votes157 views2 answers
How to delete a turtle in python
Python
107 votes150 views6 answers
Python do while loop
Python
23 votes171 views6 answers
Decorator python
Python