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What is a List?

A list is a collection of items stored in a specific order. Lists can hold any data type — numbers, strings, or even other lists.

Example:

fruits = ["apple", "banana", "cherry"]

Accessing Items in a List (Indexing)

You can get items from a list by their index. Indexing starts at 0.

Example:

fruits[0] #returns "apple"
fruits[2] #returns "cherry"

You can also use negative indexes to count from the end:

fruits[-1] # returns "cherry"

Why Lists Matter in Analytics

Lists let you store multiple values like rows of data, column values, or groups of items. Understanding how to work with lists is key to organizing and processing data.