#method 1:-

class employee():

def __init__(self,salary):

self.salary = salary

@classmethod

def changeSalary(cls,sal):

return cls(sal)

def income(self):

print(self.salary)

e = employee(100)

e.income()

# e1 = e.changeSalary(500)

e1 = employee.changeSalary(500)

e1.income()

# -------------------------------------------------------------------------------------------------------------------------------------------------------------

#method 2:-

# class employee():

# salary = 100

# def changeSalary(self,sal):

# self.__class__.salary = sal

# e = employee()

# print(e.salary)

# e.changeSalary(500)

# print(e.salary)