python屬性訪問

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#! /usr/bin/env python#! -*- cording:utf-8 -*-## class C:#     def __getattribute__(self, name):#         print("getattribute")#         return super().__getattribute__(name)#super預設找父類#     def __getattr__(self, name):#         print("getattr")#     def __setattr__(self, name, value):#         print("setatter")#         super().__setattr__(name,value)#     def __delattr__(self, name):#         print("delattr")#         super().__delattr__(name)# c=C()# c.x## c.x=1class rectangle:    def __init__(self,width=0,height=0):        self.width=width        self.height=height    def __setattr__(self, name, value):        if name=="square":            self.width=value            self.height=value        else:            super().__setattr__(name,value)    def getArea(self):        return  self.width*self.heightr1=rectangle(4,5)#執行個體化類print(r1.getArea())r1.square=10#說明賦予了一個square屬性，則直接把square賦值給value，執行操作，就是正方形print(r1.getArea())print(r1.__dict__)#直接列印出了字典屬性

python屬性訪問