Sorting a dictionary of tuples in Python

Question

I know there\'s tonnes of questions on python sorting lists/dictionaries already, but I can\'t seem to find one which helps in my case, and i\'m looking for the most efficient s

Answer 1

Something like this?

>>> a = {'a': (1, 2, 3), 'b': (3, 2, 1)}
>>> b = a.items()
>>> b
[('a', (1, 2, 3)), ('b', (3, 2, 1))]
>>> b.sort(key=lambda x:x[1][2])  # sorting by the third item in the tuple
>>> b
[('b', (3, 2, 1)), ('a', (1, 2, 3))]