This is a great interactive introduction to the jQuery library. It gives a general overview of how jQuery works with selectors, effects, and animations.
This quick overview of jQuery from a syntax point of view. It serves as a great reminder of what the basic functions of jQuery are to manipulate elements, select them, and more.
There are a lot of ways to write functional jQuery, but there are a few best practices you should follow to make sure it's readable and efficient. This presentation gives a few tips for common patterns to use when writing jQuery.
Python is a general purpose programming language, meaning you can use it for the web, data science, or any number of other uses. It's a language well known for being approachable for beginners, and a great introduction to learning server side code.