(Python) timeit for "check object if it's a list"

gistfile1.py

import timeit

# Tested on Python 2.7.5 (64-bit)

t = timeit.Timer(stmt="isinstance(['a', 1], types.ListType)", setup="import types")
print t.timeit()  # 0.310844602274

t = timeit.Timer(stmt="isinstance(['a', 1], list)")
print t.timeit()  # 0.313751077743

t = timeit.Timer(stmt="type(['a', 1]) == list")
print t.timeit()  # 0.323928247411

t = timeit.Timer(stmt="['a', 1] == list")
print t.timeit()  # 0.263354284041

t = timeit.Timer(stmt="type(['a', 1]) is list")
print t.timeit()  # 0.30530935573

4th method ['a', 1] == list causes problems in if conditionals. Use the second method (pep8 method).