>>> credits()#学分，弄不懂是什么意思
Thanks to CWI, CNRI, BeOpen.com, Zope Corporation and a cast of thousands
for supporting Python development. See www.python.org for more information.

感谢CWI，CNRI，BeOpen.com，Zope Corporation和成千上万的演员
用于支持Python开发。 有关更多信息，请参见www.python.org。