Python Basics: A Practical Introduction to Python 3 Revised and Updated 4th Edition David Amos, Dan Bader, Joanna Jablonski, Fletcher Heisler Copyright © Real Python (realpython.com), 2012–2020

There are three ways to invoke python, each with its’ own uses. The first way is to type “python” at the shell command prompt. This brings up the python interpreter with a message similar to this one:

This is our first python program. It is customary to have a programmer's first program write "hello world" (inspired by the first program in Brian Kernighan and Dennis Ritchie's classic book, 'The C …

Exercise: Write a Python program that prompts the user for his/her amount of money, then reports how many Nintendo Wiis the person can afford, and how much more money he/she will need to afford an …

Python data types Every object in Python has a “type” (in Python, identical to “class”) Fundamental data types include str, int, float, complex, list, tuple, dict, set, bool, and others.

In technical terms, Python is an object-oriented, high-level programming language with integrated dynamic semantics primarily for web and app development. It is extremely attractive in the field of …

Classic Python (AKA CPython, often just called Python) is the most up-to-date, solid, and complete production-quality implementation of Python. It can be consid‐ered the “reference implementation” of …