举一反三
- style="padding-left:0px;">class Student:<p style="padding-left:50px;"> name="xxx"<p style="padding-left:50px;"> def show(cls):<p style="padding-left:100px;"> name="yyy"<p style="padding-left:100px;"> print(name,cls.name)<p style="padding-left:0px;">s=Student()<p style="padding-left:0px;">s.show()<p style="padding-left:0px;">结果
- 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:
- class Student: def __init__(self,n="xxx"): self.name=n def show(self): print(self.name)s=Student("yyy")s.show()结果 A: yyy B: xxx C: None D: 错误
- 以下代码中,实例方法定义正确的是() A: class Student: def setName(self,name): self.name=name B: class Student: def setName(name): self.name=name C: class Student: def setName(self): self.name=name D: class Student: def setName(name,self): self.name=name
内容
- 0
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: A: yyy 男 B: xxx 男 C: Student.show(s)错误 D: def __init__(self,n="xxx",s="男")错误
- 1
class Student: def __init__(self,n="xxx",s="男"): self.name=n self.sex=s def show(self): print(s.name,s.sex,s.age)s=Student("yyy")s.age=20s.show()结果: A: yyy 男 0 B: yyy 男 None C: yyy 男 20 D: 错误
- 2
以下有关类的声明,正确的是 A: class Student(object) def __init__(self, name, score): self.name = name self.score = score B: class Student(object) def __init__(self, name, score) self.name = name self.score = score C: class Student(object): def __init__(self, name, score): self.name = name self.score = score D: class Student(object): def __int__(self, name, score): self.name = name self.score = score
- 3
写出输出结果:class Student: def __init__( self, name,age=18): self.name=name self.age=agestudent=Student("李强",21)print(student.age)
- 4
class Student: age=20 def __init__(self,n="xxx",s="男"): self.name=n self.sex=s def show(self): print(s.name,s.sex,s.age)s=Student("yyy")s.age=30s.show()结果: A: yyy 男 20 B: yyy 男 30 C: xxx 男 30 D: xxx 男 20