print("################################################################################") 
print('''
INTRODUCTION\n''')
print("################################################################################") 

print('''
Classes can be used in many different ways. We are going to focus on using them 
for object-oriented programming. The key to object oriented programming is to
think of objects as collections of both data and the methods that operate on
that data. These ideas really took off when C++ and Java arrived on the scene.
We are now going to focus on how to create new types.\n''')
