<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def time_window_cutoff(sw_time, time_cutoff):
 """ Allows for cutting the declustering time window at a specific time, outside of which an event of any magnitude is no longer identified as a cluster """

    sw_time = np.array(
        [(time_cutoff / DAYS) if x > (time_cutoff / DAYS)
            else x for x in sw_time])
    return(sw_time)