Python Object-oriented-----__str__ method

The role of 1.__str__

When the object is printed, the content defined in __STR__ is returned.

Example:

classpeople:def __init__(self,name,age,sex): Self.name=name Self.age=Age Self.sex=Sexdef __str__(self):#triggering execution when an object is printed        return '<name:%s age:%s sex:%s>'% (Self.name,self.age,self.sex)#only strings can be returnedP1=people ('User01', 18,'male') P2=people ('Xiao Ming', 38,'male')Print(p1)#directly print the class to get the return value of __str__ in the classPrint(p2)

Python Object-oriented-----__str__ method