my_dict = {'a': 5, 'b': 10, 'c': 6, 'd': 12, 'e': 7} max(my_dict, key=my_dict.get) # returns 'd'
import operator stats = {'a':1000, 'b':3000, 'c': 100} max(stats.iteritems(), key=operator.itemgetter(1))[0]