Book Image

Learn Programming in Python with Cody Jackson

By : Cody Jackson
Book Image

Learn Programming in Python with Cody Jackson

By: Cody Jackson

Overview of this book

Python is a cross-platform language used by organizations such as Google and NASA. It lets you work quickly and efficiently, allowing you to concentrate on your work rather than the language. Based on his personal experiences when learning to program, Learn Programming in Python with Cody Jackson provides a hands-on introduction to computer programming utilizing one of the most readable programming languages–Python. It aims to educate readers regarding software development as well as help experienced developers become familiar with the Python language, utilizing real-world lessons to help readers understand programming concepts quickly and easily. The book starts with the basics of programming, and describes Python syntax while developing the skills to make complete programs. In the first part of the book, readers will be going through all the concepts with short and easy-to-understand code samples that will prepare them for the comprehensive application built in parts 2 and 3. The second part of the book will explore topics such as application requirements, building the application, testing, and documentation. It is here that you will get a solid understanding of building an end-to-end application in Python. The next part will show you how to complete your applications by converting text-based simulation into an interactive, graphical user interface, using a desktop GUI framework. After reading the book, you will be confident in developing a complete application in Python, from program design to documentation to deployment.
Table of Contents (14 chapters)

Utility functions

One thing that wasn't addressed in the requirements but will be necessary later is the need for utility functions. These are often found in applications and provide functionality for the main program, but don't directly apply to the core logic.

For this program, we will require a number of utility functions:

  • Calculate liquid flow rate due to gravity
  • Static hydraulic pressure of a fluid due to its height
  • Conversion programs for pressure: specifically, we need to convert fluid head (measured in feet) in to pounds per square inch (PSI)

The functions are shown next (in separate parts), with explanations following each part:

# (part 1)
1 #!/usr/bin/env python3 2 3 import math 4 5 GRAVITY = 32.174 # ft/s^2 6 WATER_SPEC_WEIGHT = 62.4 # lb/ft^3 7 WATER_DENSITY = 1.94 # slugs/ft^3 8 WATER_SPEC_GRAV = 1.0

Line 1 is the &quot...