'''
重寫:將函數重新定義寫一遍__str__():再調用print 打印對象時自動調用,是給用戶用的是一個描述對象的方法__repr__():是給機器用的,在python解釋器里面直接敲對象名再回車調用的方法注意:在沒有str時,且有repr,str = repr
'''
class Person(object):def __init__(self,name,age,height,weight):self.name = nameself.height = heightself.age =ageself.weight = weightdef __repr__(self):return "這里是" "%s-%d-%d-%d"%(self.name,self.age,self.height,self.weight)
per1 = Person("hanmeimei ",21,160,80)
# print(per1.name,per1.age,per1.weight)print(per1)#優點:當一個對象的屬性值很多,并且都需要打印,重寫了__str__函數,簡化代碼#作業:人開槍射擊子彈
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