formatting

        # parse output

        # we are looking for the (floating-point) number after the search string - '( )' around the number denotes the first group

        measured_loudness = float(re.search(r'Input level:\s+([-+]?(?:\d*\.*\d+))', result.stdout).group(1))

        scale_factor = float(re.search(r'Scaling factor:\s+([-+]?(?:\d*\.*\d+))', result.stdout).group(1))

        measured_loudness = float(

            re.search(r"Input level:\s+([-+]?(?:\d*\.*\d+))", result.stdout).group(1)

        )

        scale_factor = float(

            re.search(r"Scaling factor:\s+([-+]?(?:\d*\.*\d+))", result.stdout).group(1)

        )

    return measured_loudness, scale_factor