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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 process_analyses(analysis_system_instance, analysis_method, sleep_time):
 """Process all analyses which are scheduled for the analysis system instance. This function does not terminate on its own, give it a SIGINT or Ctrl+C to stop. :param analysis_system_instance: The analysis system instance for which the analyses are scheduled. :param analysis_method: A function or method which analyses a scheduled analysis. The function must not take further arguments. :param sleep_time: Time to wait between polls to the MASS server """

    try:
        while True:
            for analysis_request in analysis_system_instance.get_scheduled_analyses():
                analysis_method(analysis_request)
            time.sleep(sleep_time)
    except KeyboardInterrupt:
        logging.debug('Shutting down.')
        return