Python 101

http://www.afterhoursprogramming.com/tutorial/Python/Operators/

https://www.learnpython.org/

https://www.codecademy.com/learn/python

A basic competency list for using Python to solve problems might involve

1. Variables, Types, Operators, and Objects
2. Functions; First-Class Objects and Basic Structured Programming
3. Modules and Importing; Reusing Code, Finding and Installing Packages
4. Flow Control Structures and Object-Oriented Programming
5. Debugging
6. List Comprehensions, and an Introduction to Generators and Functional Programming