Python len() Function - W3Schools
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
Nov 16, 2024 · To get the length of a string in Python, you use len() with the string as an argument, like len("example"). To find the length of a list in Python, you pass the list to len(), like len([1, 2, 3]). The len() function operates in constant time, O …
Python len() Function - GeeksforGeeks
Apr 15, 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. It returns an integer value representing the length or the number of elements. Example: Python
len () | Python’s Built-in Functions – Real Python
By implementing .__len__(), you enable your custom class to work seamlessly with the len() function, providing a way to determine the number of items it contains. In this tutorial, you'll learn how and when to use the len () Python function.
Python len()
Summary: in this tutorial, you will learn how to use the Python len() function to get the number of items of an object. The len() function returns the number of items (length) of an object. Here’s the syntax of the len() function: In this syntax, the s is an object that you want to …
Python len() Function - Programiz
In this tutorial, we will learn about the Python len () function with the help of examples.
What is len() in Python? How to Use the len() Function to Find …
Feb 24, 2022 · Python is no different because you can use the built-in len() function to get the length of a string, tuple, list, dictionary, or any other data type. In this article, I'm going to show you how to get the length of a string with the len() function.
len() Built-in Function - Python Examples
Python len () is a built in function that returns an integer representing the number of items in the object passed as argument to it. len () function can find the length of a string, bytes, list, range, dictionary, set or frozen set.
len() in Python - Built-In Functions with Examples - Dive Into Python
Discover the Python's len () in context of Built-In Functions. Explore examples and learn how to call the len () in your code.
Len () Function in Python - pybeginners.com
Jan 5, 2025 · The len() function in Python is used to quickly determine the length or the number of items in a collection, such as a string, list, tuple, dictionary, or any other iterable object. It returns an integer representing the length of the given object.