benchmark somme puissance

#!/usr/bin/env python

import time


def solution1():
    res = 0
    for x in range(1,101):
        res += x**6
    return res


def solution2():
    res = 0
    i = 0
    while i <= 100:
        res += i**6
        i += 1
    return res


def solution3():
    return sum(x**6 for x in range(1,101))


for solution in [solution1, solution2, solution3]:
    start = time.time()
    result = solution()
    duration = time.time() - start
    print "%s: %d (%f secondes)" % (solution.__name__, result, duration)