The main difference of xrange from range is that xrange is an iterator, not an array constructor, — it yields numbers on demand, leaving array creation decision to user, which can always be done using ...

If you’ve ever written any Python at all, the chances are you’ve used iterators without even realising it. Writing your own and using them in your programs can provide significant performance ...

Iterchain is a library intended to make manipulating iterators in Python easier and more ergonomic. The design is heavily inspired by the Rust iterator design, and a lot of the functionality comes ...