About 2,100,000 results
Open links in new tab
  1. Python None Keyword - W3Schools

    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.

  2. python - What is a 'NoneType' object? - Stack Overflow

    Jan 13, 2014 · NoneType is the type for the None object, which is an object that indicates no value. None is the return value of functions that "don't return anything". It is also a common default return value for functions that search for something and may or may not find it; for example, it's returned by re.search when the regex doesn't match, or dict.get ...

  3. Python None Keyword - GeeksforGeeks

    Apr 26, 2023 · 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.

  4. Null in Python: Understanding Python's NoneType Object

    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 and a first-class citizen! In this tutorial, you’ll learn:

  5. Python None

    Summary: in this tutorial, you’ll learn about Python None and how to use it properly in your code. In Python, None is a special object of the NoneType class. To use the None value, you specify the None as follows: If you use the type() function to check the type of the None value, you’ll get NoneType class: Try it. Output:

  6. Should None be considered a data type? (Python) - Stack Overflow

    Aug 24, 2022 · None is (like literally everything else in Python besides keywords) an object. Meaning it is an instance of a class (or type if you will). None is an instance of NoneType, which you can find out, if you do this: print(type(None)) # <class 'NoneType'> So yes, None has its own data type in Python.

  7. 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. Unlike other programming languages that use null, Python uses None to signify "nothing" or "no value here."

  8. Python Data Types

    Explore Python Data Types: Learn about integers, floats, strings, lists, tuples, dictionaries, booleans, and more—essential building blocks for any Python program. ... Other Important Python Data Types None Type (NoneType) None is a special singleton object that represents the absence of a value or a null reference. It’s often used as a ...

  9. Python NONE – All You Need To Know About the NONE Object

    Jun 27, 2020 · The NONE object is of data type ‘NoneType’ and hence, it can not be considered as a value of certain primitive data types or boolean values. Thus, we can assign NONE as value to any variable in use.

  10. Exploring Python NoneType: No Value? No Problem - Codefather

    Apr 17, 2023 · NoneType is a Python data type that shows that an object has no value. None is the only object of type NoneType and you can use it to show that a variable has no value. None can also be used when a function doesn’t return a value or for defining an optional parameter in a function. Are you ready to learn how to use None in this tutorial?

Refresh