dockerfiles/tests/ruby/testcase/hashiteration.rb

secret_identities = { "The Batman" => "Bruce Wayne",
  "Superman" => "Clark Kent",
  "Wonder Woman" => "Diana Prince",
  "Freakazoid" => "Dexter Douglas"
}
  
secret_identities.each { |name, ego| puts "#{name} " ' : ' " #{ego}" }