Time function execution in Python

chrono.py

import time
from termcolor import colored

def chrono(method):

    def timed(*args, **kw):
        start = time.time()
        result = method(*args, **kw)

        print colored("%.3f" % (time.time() - start,), "yellow") + " sec,",
        print colored(method.__name__, "green") + colored('%r' % (args,), "grey")

        return result

    return timed

if __name__ == '__main__':
    
    @chrono
    def mafonction(arg1, arg2):
        time.sleep(2)

    mafonction(12, "lkjfksdljf lsdk fjlsd flk jsd")