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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 wait_for_event(self, emptybuffer=False):
 """ Waits until a joystick event becomes available. Returns the event, as an `InputEvent` tuple. If *emptybuffer* is `True` (it defaults to `False`), any pending events will be thrown away first. This is most useful if you are only interested in "pressed" events. """

        if emptybuffer:
            while self._wait(0):
                self._read()
        while self._wait():
            event = self._read()
            if event:
                return event