The None keyword

The None keyword is used to define a null value or no value, it is a data type.

C:\Users\JohnO>python
Python 3.11.0 (main, Oct 24 2022, 18:26:48) [MSC v.1933 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> a = None
>>> print(type(a))
<class 'NoneType'>
>>>