5 ms·see PEP 238, @ http://www.python.org/dev/peps/pep-0238/ http://www.python.org/dev/peps/pep-0238/by hc 17y agosee PEP 238, @ http://www.python.org/dev/peps/pep-0238/ http://www.python.org/dev/peps/pep-0238/