Python的命名规则与标识符是什么？

以标识符为例，python命名规则如下：

1、标识符是由字符、下划线和数字组成，且第一个字符不能是数字。

2、标识符不能和Python中的保留字相同。

3、Python中的标识符中，不能包含空格等特殊字符。

Python is a programming language designed for computer software development, created by Guido van Rossum in 1991. It can be seen as an evolution of the Lisp programming language. The design philosophy of Python emphasizes code readability and simplicity of syntax. Compared to languages like C++ or Java, Python allows developers to convey ideas with fewer lines of code. Since its