# This program demostrates OOP

import random

# The Coin class stimulates a coin that can be flipped.

class Coin:
    # The __init__ method initializes the sideup data
    # attribute with 'Heads'.
    def __init__(self):
        self.sideup = 'Heads'

    # The toss method generates a tandom number in
    # the range of 0 through 1. If the number is 0,
    # then sideup is set to 'Heads'. Otherwise, sideup
    # set to 'Tails'.
    def toss(self):
        if random.randint(0, 1) == 0:
            self.sideup == 'Heads'
        else:
            self.sideup == 'Tails'

    # The get_sideup method returns the value referenced
    # by sideup.
    def get_sideup(self):
        return self.sideup

# The main function.
def main():
    # Create an object from the Coin class.
    my_coin = Coin()

    # Display the side of the coin that is facing up.
    print('This side is up:', my_coin.get_sideup())

    # Toss the coin.
    print('I am going to toss the coin ten times:')
    for count in range(10):
        my_coin.toss()
        print(my_coin.get_sideup())



# Call the main function.
main()