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 …
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.
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 () Function - Programiz
In this tutorial, we will learn about the Python len () function with the help of examples.
Python len(): A Quick Guide to Counting Elements in Python
Jun 23, 2025 · Learn how to use the Python len () function to quickly find the size of strings, lists, dictionaries, and other data structures. Discover practical examples and common mistakes to …
Python | Built-in Functions | len () | Codecademy
May 23, 2022 · The len() function returns the number of items in an object. It is one of Python’s most commonly used built-in functions that calculates the length or size of various data 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 Function - Complete Guide - ZetCode
Apr 11, 2025 · Complete guide to Python's len function covering strings, lists, dictionaries, custom objects, and practical examples.
Python len Function - Tutorial Gateway
Python len function finds length or total number of items in object. Lets use Python len function on string, Tuple, List, Dictionary, Sets.
Mastering the len() Function: A Python Expert‘s Guide to Writing …
May 25, 2025 · As a programming and coding expert, proficient in Python, I‘m excited to share with you a comprehensive guide on how to write your own len() function in Python.