class Person: def __init__(self,n="xxx"): self.name=n class Student(Person): def __init__(self,s="male"): self.sex=s def show(self): print(self.name,self.sex) s=Student("female") s.show() 结果:
举一反三
- class Person:def __init__(self,n="xxx"):self.name=nclass Student(Person):def __init__(self,s="male"):self.sex=sdef show(self):print(self.name,self.sex)s=Student("female")s.show()结果: A: xxx male B: xxx C: 结果错误 D: xxx female
- 下面程序运行的结果是( )。class Person:def __init__(self,n="张三"): self.name=nclass Student(Person):def __init__(self,s="male"):self.sex=sdef show(self):print(self.name,self.sex)s=Student("female")s.show() A: 张三 male B: 张三 female C: 出错 D: 张三
- class Student: def __init__(self,n="xxx"): self.name=n def show(self): print(self.name) s=Student("yyy") s.show() 结果
- class Student: def __init__(self,n="xxx",s="男"): self.name=n self.sex=s def show(self): print(s.name,s.sex) s=Student("yyy") Student.show(s) 结果:
- 中国大学MOOC: 下面程序的运行结果是:class Student: def __init__(self,n=xxx,s=男): self.name=n self.sex=s def show(self): print(self.name,self.sex)s=Student(yyy)Student.show(s)