Can anyone solve this from Google python class?

Question

Given a list of non-empty tuples, return a list sorted in increasing order by the last element in each tuple.
e.g. [(1, 7), (1, 3), (3, 4, 5), (2, 2)] yields
[(2, 2), (1, 3), (3, 4, 5), (1, 7)]

Answer 1

Have you tried solving it?

Answer 2

Diego Acero
I did as follows, unable to move forward
https://code.sololearn.com/c3T7G6NL9B4d/?ref=app