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 only None can …
Python None
In this tutorial, you'll learn about Python None and how to use it properly in your code.
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 the function …
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 meaningful …
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 or when a …
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 structures. …
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-sensitive. The void …
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 something that's …
Python None Keyword - Tutorial Kart
In Python, the None keyword is used to represent the absence of a value or a null value. It is a special constant in Python and is often used when a variable has no value assigned to it.