Web Reference: Jul 23, 2025 · None is used to define a null value or Null object in Python. It is not the same as an empty string, a False, or a zero. It is a data type of the class NoneType object. Python None is the function returns when there are no return statements. Output: None - None is an instance of the NoneType object type. In this tutorial, you'll learn about the NoneType object None, which acts as the null in Python. This object represents emptiness, and you can use it to mark default parameters and even show when you have no result. None is a tool for doing everything with nothing! Definition and Usage The None keyword is used to define a null value, or no value at all. None is not the same as 0, False, or an empty string. None is a data type of its own (NoneType) and only None can be None.
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