Get the shortest solution for every hole given a language

codegolfscores.rb

require 'json'
require 'net/http'
require 'uri'

lang = 'ruby'

a = JSON.parse Net::HTTP.get_response(URI.parse "https://code.golf/scores/all-holes/#{lang}/all").body
o = JSON.parse Net::HTTP.get_response(URI.parse 'https://code.golf/api/holes').body

o.each do |x|
  print x['name'] + ': '
  z = a.select { |y| y['hole'] == x['id'] }
  if z.empty?
    puts "No solution"
  else
    m = z.min_by { |y| y['bytes'] }
    puts "#{m['bytes']} by #{m['login']}"
  end
end