def are_all_terms_fixed_numbers(sequence: str):
    """
    This method checks whither the sequence consists of numbers (i.e. no patterns)
    sequence: A string that contains a comma seperated numbers
    returns: True if the sequence contains numbers only, False otherwise.
    """
    seq_terms = sequence.split(",")
    for term in seq_terms:
        if not str(term).strip().lstrip("+-").isdigit():
            return False
    return True