为什么第一条语句返回NameError
,而max
可__builtin__在运行时如何提供?
>>> __builtin__
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
NameError: name '__builtin__' is not defined
>>> max
<built-in function max>
>>> import __builtin__
>>> __builtin__.max
<built-in function max>
'__builtins __。max' – jamylak 2013-04-27 14:05:31