Python len () Function - W3Schools
Definition and Usage The len() function returns the number of items in an object. When the object is a string, the len() function returns the number of characters in the string.
Using the len () Function in Python
In this tutorial, you'll learn how and when to use the len () Python function. You'll also learn how to customize your class definitions so that objects of a user-defined class can be used as arguments in …
Python len() Function - GeeksforGeeks
Jul 23, 2025 · The len () function in Python is used to get the number of items in an object. It is most commonly used with strings, lists, tuples, dictionaries and other iterable or container types.
Python len ()
In this tutorial, you will learn how to use the Python len () function to get the number of items of an object.
Python len(): A Quick Guide to Counting Elements in Python
Jun 23, 2025 · Learn how to use Python len () to count elements in strings, lists, and more. See examples, common errors, and how to use len () with custom classes.
Python len () Function - Programiz
In this tutorial, we will learn about the Python len () function with the help of examples.
Built-in Functions — Python 3.11.15 documentation
Return the len gth (the number of items) of an object. The argument may be a sequence (such as a string, bytes, tuple, list, or range) or a collection (such as a dictionary, set, or frozen set).