How to sort a list of lists by a specific index of the inner list?

Question

I have a list of lists. For example,

[
[0,1,\'f\'],
[4,2,\'t\'],
[9,4,\'afsd\']
]

If I wanted to sort the outer list by the string field o

Answer 1

array.sort(key = lambda x:x[1])

You can easily sort using this snippet, where 1 is the index of the element.