Python Programming with Design Patterns

Part I

Introduction

Python is an easy-to-learn language developed primarily by Dutch computer scientist Guido van Rossum starting in 1989. van Rossum’s objective was to create a simple scripting language without the complicated brackets and syntax that all the C-like languages (C, C++, Java, and C#, among others) require.

Python is seductively easy to read and learn because, without all the “syntactic sugar” of other languages, you can read the statements directly. You probably can figure out this first example just by reading it:

array = [2, 5, 7, 9]
for a in array:
    print (a/2)

The result follows:

1.0
2.5
3.5
4.5

Python was named after the popular BBC series Monty Python’s Flying Circus, and references to the actors and some of the well-known ...