def METHOD_NAME():
    """
    helper, to iterate through the test vectors
    """
    for line in TOTP_Vectors.split("\n"):
        # skip the comments
        if not line or line.strip().startswith("+"):
            continue
        # +  Time (sec) |   UTC Time   | Value of T (hex) |   TOTP   |  Mode  |
        (seconds, utc_time, counter_hex, totp, hash_algo) = [
            x.strip() for x in line.strip("|").split("|")
        ]
        # 1970-01-01  00:00:59
        t_time = datetime.strptime(utc_time, "%Y-%m-%d  %H:%M:%S")
        seconds = (t_time - unix_start_time).total_seconds()
        counter = int(counter_hex, 16)
        yield seconds, t_time, counter, totp, hash_algo
    return