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  1. Using the len() Function in Python – Real 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 …

  2. 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.

  3. 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.

  4. 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 avoid …

  5. 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.

  6. 【Panduan Lengkap Fungsi len () di Python】Penjelasan Mendalam …

    Nov 29, 2025 · Kami akan menjelaskan secara detail cara menggunakan fungsi len () di Python. Mulai dari dasar untuk mendapatkan panjang daftar (list) dan string, hingga penggunaan tingkat lanjut …

  7. 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 including …

  8. Understanding the `len()` Function in Python - codegenes.net

    Nov 14, 2025 · The len() function in Python is used to return the length (the number of items) of an object. The object can be a sequence (such as strings, lists, tuples) or a collection (such as …

  9. len () Function in Python: Syntax, Usage, and Examples Explained

    Master the len function in Python to find the length of lists, strings, tuples, and more. Explore syntax, use cases, and code examples for better clarity.

  10. What is Len in Python and How Does It Work?

    Oct 26, 2025 · Learn what the len function does in Python, how to use it with lists, strings, and objects. Explore syntax, meaning, and coding examples.