class Base: def __init__(self): self.data = [] def add(self, x): self.data.append(x) def addtwice(self, x): self.add(x) self.add(x) # Child extends Base class Child(Base): def plus(self,a,b): return a+b oChild =Child() oChild.add("str1") print (oChild.data) print (oChild.plus(2,3)) ''' 知识点: * self:类似Java的this参数 '''
转载于:https://www.cnblogs.com/fanweisheng/p/11243877.html
相关资源:Python面向对象类继承和组合实例分析