How to write Class in Python with examples

How to write Class in Python with examples.py

#!/usr/bin/env python


class Worker:
    def __init__(self, name, pay):
        self.name = name
        self.pay = pay

    def last_name(self):
        return self.name.split()[-1]

    def give_raise(self, percent):
        self.pay *= (1.0 + percent)


def main():
    bob = Worker('Bob Smith', 500000)
    sue = Worker('Sue Jones', 650000)

    print "Bob's last name is ", bob.last_name()
    print "Sue's last name is ", sue.last_name()

    sue.give_raise(0.1)
    print "Sue pay is ", sue.pay


if __name__ == '__main__':
    main()