Using itertools for recursive function application

Question

I need a Python function iterate(f, x) that creates an iterator returning the values x, f(x), f(f(x)), f(f(f(x))), etc (like, e.g., Clojure\'s iterate). First of a

Answer 1

There doesn't seem to be something in itertools that does what you want, but itertools is a deep treasure chest, so I could have missed something.

Your generator code looks great. I don't know why you'd write it with accumulate unless you were playing an absurd game of code golf, or you were trying to impress Haskell snobs. Write your function so that it is readable, understandable, and maintainable. No need to be overly clever.