#!/usr/local/bin/python2
from collections import OrderedDict
class C(object):
  def __init__(self, v=0):
    self.name = v
l = [C(), C(1), C(2), C(3), C(4), C(5), C(6), C(7), C(8), C(9)]
for i in xrange(20000):
  m = {}
  n = []
  n_append = n.append
  c = []
  c_append = c.append
  for j in l:
    if j.name not in m:
      m[j.name] = j
      n_append(j.name)
      c_append(j)
print m, n, c