python的keyword模塊

python的keywrod 模塊很簡單。

Help on module keyword:

NAME
    keyword - Keywords (from "graminit.c")

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

DESCRIPTION
    This file is automatically generated; please don't muck it up!
    
    To update the symbols in this file, 'cd' to the top directory of
    the python source tree after building the interpreter and run:
    
        python Lib/keyword.py

FUNCTIONS
    iskeyword = __contains__(...)
        x.__contains__(y) <==> y in x.

DATA
    __all__ = ['iskeyword', 'kwlist']
    kwlist = ['and', 'as', 'assert', 'break', 'class', 'continue', 'def', ...

得到python的關鍵字列表：

>>> 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']

判斷字符串是否是python的關鍵字

>>> keyword.iskeyword('and')
True
>>> 
>>> keyword.iskeyword('has')
False