Python performance analysis with Profile module

#!/usr/bin/env python

from random import randint
from cProfile import Profile
from pstats import Stats


def insert_value(array, value):
    for i, existing in enumerate(array):
        if existing > value:
            array.insert(i, value)
            return
    array.append(value)


def insertion_sort(data):
    result = []
    for value in data:
        insert_value(result, value)
    return result


if __name__ == '__main__':
    max_size = 10 ** 4
    data = [randint(0, max_size) for _ in range(max_size)]
    test = lambda: insertion_sort(data)
    profiler = Profile()
    profiler.runcall(test)
    stats = Stats(profiler)
    stats.strip_dirs()
    stats.sort_stats('cumulative')
    stats.print_stats()