Some performance test Python2.6 vs Python3.1

py2_py3.py

# procrastination adventures
'''
RESULTS: (over 1m iterations)
             Python 2.5 | Python2.6 | Python3.1
test1:       ~17.5s     | ~14.6s    | ~22.1s
test2:       ~10.6s     | ~10.3s    | ~16.2s
just_join:   ~0.7s      | ~0.66s    | ~0.63s
just_sample: ~10.5s     | ~9.75s    | ~15.7s
just_str:    ~3.45s     | ~3.1s     | ~3.4s
'''

import random

def test1(n):
  for i in range(0,n):
    ''.join(random.sample([str(i) for i in range(0,10)],8))

def test2(n):
  for i in range(0,n):
    ''.join(random.sample(['0','1','2','3','4','5','6','7','8','9'],8))

def just_join(n):
  for i in range(0,n):
    ''.join(['0','1','2','3','4','5','6','7'])

def just_sample(n):
  for i in range(0,n):
    random.sample(['0','1','2','3','4','5','6','7','8','9'],8)

def just_str(n):
  for i in range(0,n):
    [str(i) for i in ['0','1','2','3','4','5','6','7','8','9']]