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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 init_timer(client_id):
 """Create a timer for the client driver to watch for events @param client_id: ID of clinet user """

    if client_id in timers and timers[client_id]:
        timers[client_id].start()
        return
    # Create a timer to call check_new_message function after every 2 seconds.
    # client_id param is needed to be passed to check_new_message
    timers[client_id] = RepeatedTimer(2, check_new_messages, client_id)