May 24, 2024 · In Python, the use of an underscore in a function name indicates that the function is intended for internal use and should not be called directly by users. It is a convention used …

The reason you need to use self. is because Python does not use special syntax to refer to instance attributes. Python decided to do methods in a way that makes the instance to which …

Aug 12, 2018 · Thanks. As I understand it, the question is when not how to use a function. Sure, the OP has some syntax/logic issues, but I think they are mainly interested in understanding …

A more interesting use would be to dynamically construct a python function to evaluate a mathematical expression that isn't known until run time (user input). Once created, that …

Here are some related questions I looked at: Why does python use 'magic methods'? Is there a reason Python strings don't have a string length method? The answers I got were largely …

Oct 12, 2015 · In python the simple heuristic for when you should use a class comes down to whether or not your abstraction needs to be concerned with state. Abstractions that carry …

Oct 18, 2016 · Are you supposed to use self when referencing a member function in Python (within the same module)? More generally, I was wondering when it is required to use self, not …

In python, we start defining a function with def, and generally - but not necessarily - end the function with return. Suppose we want a function that adds 2 to the input value x. In …

Aug 31, 2008 · In Python 3.5, you can also use this syntax in list, dict, tuple, and set displays (also sometimes called literals). See PEP 488: Additional Unpacking Generalizations.

May 20, 2018 · Note: this post assumes Python 3.x syntax.† A generator is simply a function which returns an object on which you can call next, such that for every call it returns some …