python sort dictionary with value in desc order

dict_sort.py

import collections

mydict = {
    'a': 49023,
    'b': 39201,
    'c': 49021,
    'd': 90201,
    'e': 49012,
    'f': 49401,
    'g': 10039,
    'h': 23131,
    'i': 39293,
    'j': 52391,
    'k': 58123,
    'l': 50130,
}

d = collections.Counter(mydict)
for k, v in d.most_common(5):
    print '%s: %s' % (k, v)

# d: 90201
# k: 58123
# j: 52391
# l: 50130
# f: 49401