def write_json(file, object)
      return unless file && object
      begin
        File.open(file, 'w') { |f| f.write(JSON.pretty_generate(object)) }
      end
    end
def write_json(file, object)
      return unless file && object
      begin
        File.open(file, 'w') { |f| f.write(JSON.pretty_generate(object)) }
      end
    end
=> Define JSON Writer