Working with self is usually a design choice by python, not strictly necessary from a language design standpoint, to help make specific the instance object and distinguish instance variables from local variables. In this instance I would like in order to return two factors (a tuple?) within the iterator. It https://self-adhesiveminitrunking23344.answerblogs.com/37643987/the-smart-trick-of-self-adhesive-mini-trunking-that-no-one-is-discussing