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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_tp_from_file(file_path):
 """Return the name of the topic-partition given the path to the file. :param file_path: the path to the log file :type file_path: str :returns: the name of the topic-partition, ex. "topic_name-0" :rtype: str """

    match = TP_FROM_FILE_REGEX.match(file_path)
    if not match:
        print("File path is not valid: " + file_path)
        sys.exit(1)
    return match.group(1)