text: class Employee:
      company = "Camel"
      salary = 100
      location = "Delhi"
  
      # def changeSalary(self, sal):
      #     self.__class__.salary = sal
  
      @classmethod
      def changeSalary(cls, sal):
          cls.salary = sal
  
  e = Employee()
  print(e.salary)
  e.changeSalary(455)
  print(e.salary)
  print(Employee.salary)
  