stopwatch.py

def stopwatch(func):
    @functools.wraps(func)
    def wrapper(*args, **kwargs):
        start = time.time()
        result = func(*args, **kwargs)
        end = time.time()
        print("Function[{}]".format(func.__name__), ", {0:d} min {1:d} sec".format(
            int(end - start) // 60, int((end - start) % 60)))
        return result
    return wrapper


@stopwatch
def test_watch():
    summation = 0
    for i in range(100000000):
        summation += i

if __name__ == '__main__':
    test_watch()