None | Python Keywords – Real Python
In Python, the None keyword represents the absence of a value or a null value. It’s an object that serves as a placeholder when you need to specify that a variable doesn’t hold any valid data …
Python None Keyword - W3Schools
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 …
Python None Keyword - GeeksforGeeks
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 …
Python None
In this tutorial, you'll learn about Python None and how to use it properly in your code.
Python None: The Standard for Missing or Empty Values
Nov 10, 2025 · In Python, None is the standard way to represent the absence of a value. It shows up when data is missing, when a variable hasn’t been initialized, or when a function has no …
Understanding None in Python: Equivalent of Null - PyTutorial
Feb 15, 2025 · In Python, None is a special constant used to represent the absence of a value or a null value. It is often used as a placeholder or default value in functions, variables, and data …
Python None Keyword - ZetCode
Feb 25, 2025 · Python tutorial on the None keyword, covering null values, function returns, and practical usage examples.
Python None Keyword - Online Tutorials Library
The Python None keyword is used to define a null value or no value at all. It is not the same as an empty string, a False or a zero. It comes under the class NoneType object. It is a case …
None in Python - Python Morsels
Jan 22, 2024 · Python's None value is similar to NULL or NIL in other programming languages. None is the default return value of a function in Python, and it's often used to represent …
Python's None: Null in Python – Real Python
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.