I came up with these exercises for someone learning to code. But I thought more people might want to do them.
I like functional programming, so the exercises asks you to make functions that are common in functional programming. If you have learned a language, but want to learn more about functional programming, these exercises are for you.
The exercises were originally meant for Python, but doing them in JavaScript, Ruby or any Lisp (Scheme, Clojure, …) should work just as well. It should also be possible to do them in Java and C#, but it will probably not be as easy.
Most of the functions you are asked to create already exist in functional languages, or libraries for most languages. But it can be educational to implement them yourself.