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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 ClearStopTimes(self):
 """Remove all stop times from this trip. StopTime objects previously returned by GetStopTimes are unchanged but are no longer associated with this trip. """

    cursor = self._schedule._connection.cursor()
    cursor.execute('DELETE FROM stop_times WHERE trip_id=?', (self.trip_id,))