python lambda sort by two fields code example

Example 1: sort by multiple keys in object python

s = sorted(s, key = lambda x: (x[1], x[2]))

Example 2: python sort based on multiple keys

>>> def multisort(xs, specs):
...     for key, reverse in reversed(specs):
...         xs.sort(key=attrgetter(key), reverse=reverse)
...     return xs