import datetime

class Employee:

    raise_amount = 1.04

    def __init__(self, first, last, pay):
        self.first = first
        self.last = last
        self.pay = pay
        self.email = first + '.' + last + '@rt-rk.com'


    def fullname(self):
        return '{} {}'.format(self.first, self.last)

    def apply_raise(self):
        self.pay = int(self.pay * self.raise_amount)


    @classmethod
    def set_raise(cls,amount):
        cls.raise_amount = amount


    @staticmethod
    def is_workday(day):
        if day.weekday() == 5 or day.weekday() == 6:
            return False

        return True



class Developer(Employee):
    raise_amount = 1.1

    def __init__(self, first, last, pay, language):
       # super().__init__(first, last, pay)
       # self.language = language

        pass


emp_1 = Employee('Petar', 'Latas', 100000)
dev_1 = Developer('Petar', 'Latas', 100000, 'PITON')

emp_1.first = 'Lana'

print emp_1.first
print emp_1.email
print emp_1.last



'''
print dev_1.raise_amount
print dev_1.email
print dev_1.language

'''

#my_date = datetime.date(2018,7,23)
#print emp_1.is_workday(my_date)