Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

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

Anas Rida
Anas Rida
8,183 Points

can't see what I'm doing wrong

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

I don't understand what the problem is and why I'm getting an error pls help!! I tried running this in irb and it worked fine thank you

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

1 Answer

Samuel Ferree
Samuel Ferree
31,721 Points

when you use the = operator, you are setting the value of grocery_list['items'] to that item specifically

instead, use the << operator to add grocery_item to that list.

grocery_list['items'] << grocery_item