The None Keyword

Introduction to NoneType

In Python, None represents the absence of a value or a null value. It is a special value whose data type is NoneType and is often used as a placeholder or a default value when a variable or a function parameter does not have a specific value assigned. We can assign None to any variable, but we cannot create other variables of type NoneType.

You might be wondering how None is different from 0 or an empty string (""). Let's look at a ...