Angelo Farias wrote in post #1021017:
> each and fetch hash doesn work

They work fine:

hash = {'a' => 10, 'b' => 20}

hash.each do |key, val|
  puts "#{key} = #{val}"
end

--output:--
a = 10
b = 20


puts hash.fetch('c', "sorry")

--output:--
sorry