import collections
import random
import timeit

class Complains(object):

            def __init__(self, i):
                self.i = i

            def __lt__(self, other):
                return self.i < other.i

            def __repr__(self):
                return "Complains(%d)" % self.i

x = range(10000) 
x = [Complains(i) for i in x]
random.shuffle(x)

def sort():
    random.shuffle(x)
    x.sort(cmp)

print timeit.timeit('sort()', setup="from __main__ import sort", number=1000)