Python3 function benchmark tool

__init__.py

import os, sys; sys.path.append(os.path.dirname(os.path.realpath(__file__)))

main.py

#!/usr/bin/env python3

from timer import Timer

def append_test(c):
  a = []
  for n in range(0,c):
    a.append(n)

def inplace_test(c):
  a = [None] * c
  for i, v in enumerate(a):
      a[i] = i

count = 10000
Timer.test("append", append_test, count)
Timer.test("inplace", inplace_test, count)

Timer.py

#!/usr/bin/env python3
#
# Wonderful function benchmark
# https://stackoverflow.com/questions/311775/create-a-list-with-initial-capacity-in-python
#
#
import time

class Timer(object):
  def __enter__(self):
    self.start = time.time()
    return self

  def __exit__(self, *args):
    end = time.time()
    secs = end - self.start
    msecs = secs * 1000  # millisecs
    print('%fms' % msecs)

  def test(name, fn, c):
    print("%s: " % name, end="")
    with Timer() as t:
      fn(c)