Python中关键词有多少个?Python中关键词目前有31个，可以利用Python的内置的keyword模块进行输出查看。

keyword模块

Helponmodulekeyword:

NAME

keyword-Keywords(from"graminit.c")

FILE

/usr/lib64/python2.6/keyword.py

DESCRIPTION

Thisfileisautomaticallygenerated;pleasedon'tmuckitup!

Toupdatethesymbolsinthisfile,'cd'tothetopdirectoryof

thepythonsourcetreeafterbuildingtheinterpreterandrun:

pythonLib/keyword.py

FUNCTIONS

iskeyword=__contains__(...)

x.__contains__(y)yinx.

DATA

__all__=['iskeyword','kwlist']

kwlist=['and','as','assert','break','class','continue','def',...

得到python的关键字列表：

>>>keyword.kwlist

['and','as','assert','break','class','continue','def','del','elif','else','except','exec',

'finally','for','from','global','if','import','in','is','lambda','not','or','pass','print',

'raise','return','try','while','with','yield']

判断字符串是否是python的关键字

>>>keyword.iskeyword('and')

True

>>>

>>>keyword.iskeyword('has')

False

以上内容为大家介绍了Python培训之关键字有多少个?，希望对大家有所帮助，如果想要了解更多Python相关知识，请关注IT培训机构:千锋教育。