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.

Nov 16, 2024 · The len() function in Python is a powerful and efficient tool used to determine the number of items in objects, such as sequences or collections. You can use len() with various data types, including strings, lists, dictionaries, and third …

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

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 …

Feb 24, 2022 · When you use the len() function on a data type like tuple or list, it returns the number of items in the tuple or list, not the number of characters. For example, 3 gets returned for the length of the tuple below, not the number of characters of the words in it.

In this tutorial, we will learn about the Python len () function with the help of examples.

Jan 27, 2024 · In Python, the built-in len() function returns the length (the number of items) of objects of various types, such as lists and strings. For more details, including handling two-dimensional lists (lists of lists), refer to the following article. For more details on sets, refer to the following article.

Python len() Function - Learn how to use the len() function in Python to determine the length of strings, lists, and other collections. Discover examples and best practices.

Mar 22, 2025 · The len() function in Python is a versatile and essential tool for working with various data structures. By understanding its basic concept, different usage scenarios, common practices, and best practices, you can write more robust and efficient Python code.

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.