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 Loops Build a Simple Contact List Hash and Array Iteration

Sarah A. Morrigan
Sarah A. Morrigan
14,329 Points

"No implicit conversion of String into Integer"? Is this a bug?

I see no reason why the phone_number would not display as strings.

I even appended .to_i after contact_list["phone_number"] but it did not solve the problem.

contact_list = [
  {"name" => "Jason", "phone_number" => "123"},
  {"name" => "Nick", "phone_number" => "456"}
contact_list.each do |contact|
  puts "#{contact_list["name"]}"
  puts "#{contact_list["phone_number"]}"

1 Answer

William Li
William Li
Courses Plus Student 26,867 Points

Your block has problem, block argument contact should be used in the block body instead of contact_list

contact_list.each do |contact|
  puts "#{contact["name"]}"
  puts "#{contact["phone_number"]}"

This should fix it.