Python Crash Course, 2nd Edition

4WORKING WITH LISTS

In Chapter 3 you learned how to make a simple list, and you learned to work with the individual elements in a list. In this chapter you’ll learn how to loop through an entire list using just a few lines of code regardless of how long the list is. Looping allows you to take the same action, or set of actions, with every item in a list. As a result, you’ll be able to work efficiently with lists of any length, including those with thousands or even millions of items.

Looping Through an Entire List

You’ll often want to run through all entries in a list, performing the same task with each item. For example, in a game you might want ...