You have to know this about the filter Function in Python #python #coding #programming  In this tutorial, we take a closer look at Python's built-in filter function. We start with the basics, filtering a list of numbers using a lambda expression. Then we cover a lesser-known trick: passing None as the first argument to automatically strip all falsy values from an iterable. Finally, we extend the example by using a named function instead of a lambda to filter even numbers from a list, showing that filter works just as cleanly with regular functions.