Compare the speed of sum(xrange()) to sum(range())

xrange_sum_speed_test.py

#!/usr/bin/env python

""" Compare the speed of sum(xrange()) to sum(range())

    Written by PM 2Ring 2017.06.05
"""

from timeit import Timer

cmds = {
    'range': 'sum(range(1, n+1))',
    'xrange': 'sum(xrange(1, n+1))',
}

loops = 20000
setup = 'from __main__ import n'

for n in range(1, 20):
    print n
    timings = []
    for name, cmd in cmds.items():
        t = Timer(cmd, setup)
        result = sorted(t.repeat(3, loops))
        timings.append((result, name))
    timings.sort()
    for result, name in timings:
        print '%-6s : %s' % (name, result)
    print timings[0][0][0] / timings[1][0][0]