#!/usr/bin/env python

# import system modules
#
import os
import sys

# Python code to demonstrate how parent constructors
# are called.

# parent class
#
class Person(object):

    # __init__ is known as the constructor
    def __init__(self, name, idnumber):
        self.name = name
        self.idnumber = idnumber
        
    def display(self):
        print(self.name)
        print(self.idnumber)

# child class
#
class Employee(Person):
    def __init__(self, name, idnumber, salary, post):
        self.salary = salary
        self.post = post

        # invoking the __init__ of the parent class
        Person.__init__(self, name, idnumber)

# end of class

# main	program
#
def main(argv):
    
    # creation of an object variable or an instance
    a = Employee('Rahul', 886012, 200000, "Intern")

    # calling a function of the class Person using its instance
    a.display()

    # exit gracefully
    #
    return True

# begin	gracefully
#
if __name__ == "__main__":
    main(sys.argv[0:])
                                
#
# end of file