pythonic way to convert variable to list

Question

I have a function whose input argument can either be an element or a list of elements. If this argument is a single element then I put it in a list so I can iterate over the

Answer 1

Your aproach seems right to me.

It's similar to how you use atom? in Lisp when you iterate over lists and check the current item to see if it is a list or not, because if it is a list you want to process its items, too.

So, yeah, don't see anything wrong with that.