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6:24
YouTube
Real Python
What is None and How to Test for It
Python uses the keyword None to define null objects and variables. While None does serve some of the same purposes as null in other languages, it’s another beast entirely. As the null in Python, None is not defined to be 0 or any other value. In Python, None is an object. Click here to learn more: https://realpython.com/courses/python-none/
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