初识python

代码注释分单行和多行注释， 单行注释用#，多行注释可以用三对双引号“”” “””

下面给大家看一段标准代码的注释，忽略代码意思

def subclass_exception(name, parents, module, attached_to=None):
"""
Create exception subclass. Used by ModelBase below.
If 'attached_to' is supplied, the exception will be created in a way that
allows it to be pickled, assuming the returned exception class will be added
as an attribute to the 'attached_to' class.
"""
class_dict = {'__module__': module}
if attached_to is not None:
def __reduce__(self):
# Exceptions are special - they've got state that isn't
# in self.__dict__. We assume it is all in self.args.
return (unpickle_inner_exception, (attached_to, name), self.args)
def __setstate__(self, args):
self.args = args
class_dict['__reduce__'] = __reduce__
class_dict['__setstate__'] = __setstate__
return type(name, parents, class_dict)

代码注释原则:

1. 不用给全部代码加注释，只需要在自己觉得重要或不好理解的部分加注释即可
2. 注释可以用中文或英文，但绝对不要拼音噢
3. 注释不光要给自己看，还要给别人看，所以请认真写