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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 set_value_alarm_ts(self, value, alarm, ts):
 """Set value with pre-validated alarm and timeStamp"""

        # type: (Any, Alarm, TimeStamp) -> None
        with self.notifier.changes_squashed:
            # Assume they are of the right format
            self.value = value
            self.notifier.add_squashed_change(self.path + ["value"], value)
            if alarm is not self.alarm:
                self.alarm = alarm
                self.notifier.add_squashed_change(self.path + ["alarm"], alarm)
            self.timeStamp = ts
            self.notifier.add_squashed_change(self.path + ["timeStamp"], ts)