python 类例子

qq_37591364

于 2019-03-11 10:35:51 发布

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本文链接：https://blog.youkuaiyun.com/qq_37591364/article/details/88389416

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class student:
    total_cnt=0
    def __init__(self,name,age):
        self.name=name
        self.age=age
        student.total_cnt+=1
    def set_grade(self,grade):
        self.grade=grade
    def print_info(self):
        print self.name,self.age,self.grade
s1=student('xiaoming',20)
s2=student('xiaofang',25)
print student.total_cnt
s1.set_grade(100)
s2.set_grade(99)
s1.print_info()
s2.print_info()```