import math
    import time
    import random


    def find_dist_squared(x1, y1, x2, y2):
        return (x2 - x1) ** 2 + (y2 - y1) ** 2


    def find_dist_squared_v2(x1, y1, x2, y2):
        dx = x2 - x1
        dy = y2 - y1
        return dx * dx + dy + dy


    def find_dist(x1, y1, x2, y2):
        return math.hypot(x1 - x2, y1 - y2)


    def time_function_10000_times(func, name):
        start = time.clock()

        for _ in range(10000):
            func()

        elapsed = time.clock()
        elapsed = elapsed - start
        print ("Time spent in " + name + " is: " + str(elapsed))


    def find_dist_squared_impl():
        return find_dist_squared(0, 0, random.random(), random.random())


    def find_dist_squared_v2_impl():
        return find_dist_squared_v2(0, 0, random.random(), random.random())


    def find_dist_impl():
        return find_dist(0, 0, random.random(), random.random())


    time_function_10000_times(find_dist_impl, "find dist")
    time_function_10000_times(find_dist_squared_impl, "find dist squared")
    time_function_10000_times(find_dist_squared_v2_impl, "find dist squared v2")

    """
    Time spent in find dist is: 0.005446
    Time spent in find dist squared is: 0.005252
    Time spent in find dist squared v2 is: 0.004622

    Process finished with exit code 0
    """