Python max dict value

time_dict_value_max.py

import timeit

t = timeit.Timer("v=sorted(d.items(), key=lambda x: x[1])[-1]",
	"d = {'a': 1000, 'b': 3000, 'c':100}")
print t.timeit()
# 1.648s

t = timeit.Timer("v=max(d.iteritems(), key = operator.itemgetter(1))[0]",
	"import operator; d = {'a': 1000, 'b': 3000, 'c':100}")
print t.timeit()
# 0.759s

t = timeit.Timer("v=max(zip(*zip(*d.items())[::-1]))[1]",
	"d = {'a': 1000, 'b': 3000, 'c':100}")
print t.timeit()
# 1.672s

t = timeit.Timer("v=max(d, key=d.get)",
	"d = {'a': 1000, 'b': 3000, 'c':100}")
print t.timeit()
# 0.499s