Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Ruby Ruby Collections Build a Grocery List Program Working with Hashes That Contain Arrays

Tobias Jackson
Tobias Jackson
9,758 Points

Add the grocery_item hash to the items array inside of the grocery_list hash


grocery_list = { 'title' => 'Grocery List', 'items' => [] }
grocery_item = { 'title' => 'Bread', 'quantity' => 1 }

1 Answer

Hi Tobias,

You want to push the grocery_item onto the items array within grocery_list.

To access the array, start with:


Then, call push on it, passing in the grocery_item as an argument. That looks like:


Make sense?