def slice_hash(hash, *keys)
      return {} if keys.length.zero?

      new_hash = {}
      hash.each do |key, value|
        new_hash[key] = value if keys.include? key
      end
      new_hash
    end
def slice_hash(hash, *keys)
      return {} if keys.length.zero?

      new_hash = {}
      hash.each do |key, value|
        new_hash[key] = value if keys.include? key
      end
      new_hash
    end
Slice keys from hash
 @param [Hash] hash A hash to slice key/value pairs from
 @param [Array] *keys The keys to be sliced
 @return Hash filtered by keys