def capitalize_keys(hsh)
      capitalized_hash = {}
      hsh.each_pair { |k, v| capitalized_hash[k.to_s.upcase] = v }
      capitalized_hash
    end
def capitalize_keys(hsh)
      capitalized_hash = {}
      hsh.each_pair { |k, v| capitalized_hash[k.to_s.upcase] = v }
      capitalized_hash
    end
Capitalizes the keys of a hash