列表的index()函数
使用help()得到:
Help on built-in function index:
index(value, start=0, stop=2147483647, /) method of builtins.list instance
Return first index of value
Raises ValueError if the value is not present.
列表的index()函数
使用help()得到:
Help on built-in function index:
index(value, start=0, stop=2147483647, /) method of builtins.list instance
Return first index of value
Raises ValueError if the value is not present.