πŸ“‹ Arrays for Kids

An array is a list β€” like your party guest list.

What's in a List?

A list of friends: ["Sam", "Riya", "Mo"]. A list of pets: ["dog", "cat", "fish"]. A list of high scores: [100, 95, 87].

Position Matters

The first item is at position 0 (yes, zero β€” coders are weird that way). The second is at position 1. So guests[0] would be "Sam" in our example.

Things You Can Do

  • Add a new friend to the end.
  • Take one out.
  • Look at each one in turn (loop!).
  • Sort them alphabetically.
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Try this!

Now you try! If your favorite-foods array is ["pizza", "ice cream", "pasta"], what's at position 2?

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For grown-ups

Parent/teacher tip: Practice "0-indexed" thinking with real objects in a row.