1、打开python开发工具IDLE，新建‘clsvar.py’文件，写代码如下：class Test: rq = Nonet1 = Test()print (Test.rq)print (t1.rq)rq就是一个类变量
3、用Test类添加一个对象变量，对象变量写在__init__中class Test: rq = None def __init__(self,name): self.name = namet1 = Test('hello')print (Test.__dict__)print ('----')print (t1.__dict__)
5、python还支持动态添加类变量，代码如下：class Test: rq = None def __init__(self,name): self.name 租涫疼迟= namet1 = Test('hello')Test.sj = '15:30'print (Test.__dict__)print ('----')print (t1.__dict__)
7、F5运行程序，通过打印信息发现动态添加的变量和建立类时的一样。
