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Python Programming for Beginners – Day 8

DEV Community: tutorial·augustineowino357-design·about 14 hours ago
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Lists in Python In the previous lesson, we learned about Functions and how they help organize and reuse code efficiently. Today, we will learn about Lists, one of the most commonly used data structures in Python. Lists are important because they allow programmers to store multiple values in a single variable. What is a List? A List is a collection of multiple items stored in a single variable. Lists are: Ordered Changeable (Mutable) Allow duplicate values Lists are created using square brackets "[]". Example languages = [ " Python " , " Java " , " C++ " ] Enter fullscreen mode Exit fullscreen mode Accessing List Items Each item in a list has an index number. Python indexing starts from "0". Example languages = [ " Python " , " Java " , " C++ " ] print ( languages [ 0 ]) print ( languages [ 1 ]) Enter fullscreen mode Exit fullscreen mode Output Python Java Enter fullscreen mode Exit fullscreen mode Negative Indexing Python allows accessing items from the end using negative indexes.…

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