sta.py

from datetime import date
  
class Person:
    def __init__(self, name, age):
        self.name = name
        self.age = age
      
    # a class method to create a Person object by birth year.
    @classmethod
    def fromBirthYear(cls, name, year):
        return cls(name, date.today().year - year)
      
    # a static method to check if a Person is adult or not.
    @staticmethod
    def isAdult(age):
        return age > 18
  
person1 = Person('mayank', 21)
person2 = Person.fromBirthYear('mayank', 1996)
  
print (person1.age)
print (person2.age)
  
# print the result
print (Person.isAdult(22))