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 …

Oct 20, 2013 · None is just a value that commonly is used to signify 'empty', or 'no value here'. It is a signal object; it only has meaning because the Python documentation says it has that meaning.

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 …

Jul 23, 2025 · In Python, None represents the absence of a value and is the only instance of the NoneType. It's often used as a placeholder for variables that don't hold meaningful data yet.

In this tutorial, you'll learn about Python None and how to use it properly in your code.

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. …

Nov 29, 2025 · Learn what None means in Python, how it differs from null in other languages, and best practices for using it in functions, classes, and error handling. Improve your Python coding with clear …

Oct 2, 2024 · In Python, None is a special value that represents the absence of a value or a null value. It is an object of its type, NoneType, and is often used to signify that a variable has not been assigned …

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 …

Feb 3, 2024 · One such concept in Python is None. It's not just a word; it's a built-in constant in Python that represents the absence of a value or a null value. To understand None, think of it as a …