https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:automating-tasks-with-lists/x5279a44ae0ab15d6:list-indices/v/scripts-and-sequences 2025-05-14T20:16:30.28353128Z Scripts and sequences How can programs make our lives easier? Learn how programmers use scripts to automate complex, repetitive, or time-consuming tasks. To operate on large amounts of data, we need a way to organize it. What kinds of data can we store in an ordered sequence? Kim Merrill video https://cdn.kastatic.org/ka_thumbnails_cache/4441d04b-1649-4797-ae60-e86ef32e2c05_1280_720_base.png Scripts and sequences How can programs make our lives easier? Learn how programmers use scripts to automate complex, repetitive, or time-consuming tasks. To operate on large amounts of data, we need a way to organize it. What kinds of data can we store in an ordered sequence? https://cdn.kastatic.org/ka-youtube-converted/v1C4FutndXg.mp4/v1C4FutndXg.mp4 144 Python list indices https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:automating-tasks-with-lists/x5279a44ae0ab15d6:list-indices/v/lists 2025-04-10T17:36:12.994752655Z Lists How can we keep track of a bunch of related data? Write a list definition to store multiple values in a single container. Use list indices to access elements based on their position in the list. View the program used in this video at: https://www.khanacademy.org/python-program/lists/5936313656262656 Kim Merrill video https://cdn.kastatic.org/ka_thumbnails_cache/7bb7de7e-6ecc-47c9-b742-f5096a3adbf2_1280_720_base.png Lists How can we keep track of a bunch of related data? Write a list definition to store multiple values in a single container. Use list indices to access elements based on their position in the list. View the program used in this video at: https://www.khanacademy.org/python-program/lists/5936313656262656 https://cdn.kastatic.org/ka-youtube-converted/IaEcrHxjoCM.mp4/IaEcrHxjoCM.mp4 241 Python list indices https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:automating-tasks-with-lists/x5279a44ae0ab15d6:list-indices/a/list-indexing 2026-02-17T23:20:43.373798125Z List indexing Access the elements of a list using indices. Use alternate access patterns like negative indices and slices. article https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:automating-tasks-with-lists/x5279a44ae0ab15d6:list-indices/v/tracing-lists 2025-04-10T18:07:27.662765297Z Tracing lists How does the computer store a list in memory? Trace a program step-by-step to see how the computer interprets list definitions, list accesses, and list assignments. Discover why list indices start at zero instead of one! View the program used in this video at: https://www.khanacademy.org/python-program/tracing-lists/5520436670611456 Kim Merrill video https://cdn.kastatic.org/ka_thumbnails_cache/fd2e4314-1176-4f76-8d29-96d0b3d67b18_1280_720_base.png Tracing lists How does the computer store a list in memory? Trace a program step-by-step to see how the computer interprets list definitions, list accesses, and list assignments. Discover why list indices start at zero instead of one! View the program used in this video at: https://www.khanacademy.org/python-program/tracing-lists/5520436670611456 https://cdn.kastatic.org/ka-youtube-converted/m9pvxuHb5y8.mp4/m9pvxuHb5y8.mp4 358 Python list indices https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:automating-tasks-with-lists/x5279a44ae0ab15d6:list-indices/e/trace-list-indices 2025-09-12T02:00:44.915137743Z Trace list indices Trace list accesses and updates using indices. Nathaniel Shak exercise https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:automating-tasks-with-lists/x5279a44ae0ab15d6:list-indices/pc/challenge-dna-mutation 2025-07-29T19:31:52.932562035Z Challenge: DNA mutation Practice list indexing to apply random mutations to a DNA sequence. challenge