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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 session_to_epoch(timestamp):
 """ converts Synergy Timestamp for session to UTC zone seconds since epoch """

    utc_timetuple = datetime.strptime(timestamp, SYNERGY_SESSION_PATTERN).replace(tzinfo=None).utctimetuple()
    return calendar.timegm(utc_timetuple)