According to PEP8, if any return statement returns an expression, any return statements where no value is returned should explicitly state this as return None, and an explicit return statement …

To literally return 'nothing' use pass, which basically returns the value None if put in a function (Functions must return a value, so why not 'nothing'). You can do this explicitly and return …

Nov 26, 2024 · Returning None in Python 3 is a useful technique for indicating the absence of a value or an error condition. It allows functions to communicate that they were unable to …

Oct 31, 2018 · reverse () in your code is a function with side effects (printing). You should avoid functions with side effects when you don't need, consider having reverse () returning the word …

Dec 10, 2024 · If the return statement is without any expression, then the special value None is returned. A return statement is overall used to invoke a function so that the passed statements …

Dec 5, 2024 · A: A Python function returning None indicates that it does not have a meaningful value to return, often used to imply the end of a procedure or method that does not yield …

Aug 1, 2023 · In Python, a function returns None implicitly if there is no explicit return statement. However, you can also use the return statement followed by the keyword None to indicate that …

Understand the difference between no return statement and explicitly returning None in Python functions for clearer code intent and behavior.

Apr 5, 2023 · When a function has no return statement or just the return keyword without any specific value, then it will return the default value None. Consider the following examples: The …

Oct 24, 2024 · The `return` statement is more than just a way to send values back from functions — it’s a tool for controlling program flow, handling errors gracefully, and building clear, …