setters and property Decorators in Python

 

class Student:

    def __init__(self,aname,aroll):

        self.aname = aname

        self.aroll = aroll

    def show(self):

        return f"The student name is:{self.aname} and Roll No: {self.aroll}"

    @property     # if use don't use this property decorator  U have to use ak.emai()

    def email(self):

        if self.aname == None or self.aroll == None:

            return  "Email is not found"

       

        return f"{self.aname}{self.aroll}@email.com"

    @email.deleter    # if u want to delete email so u have to declare @email.deleter

    def email(self):

        self.aname = None

        self.aroll = None

ak= Student("Aakash", 35)

rk = Student("Rakesh", 12)

del ak.email  # it will delete email

print(ak.email)