persons.py

# Classes


class Person(object):

    def contact(self):
        self.email()
        self.call()

    def email(self):
        pass

    def call(self):
        pass


class DomainToolsEmployee(Person):

    def email(self):
        return "[email protected]"

    def call(self):
        return "555-555-5555"


class Tim(DomainToolsEmployee):
    
    def call(self):
        return "410-212-7618