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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 enter(self, delay, priority, action, argument=(), kwargs=_sentinel):
 """A variant that specifies the time as a relative time. This is actually the more commonly used interface. """

        time = self.timefunc() + delay
        return self.enterabs(time, priority, action, argument, kwargs)