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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 removeReader(self, selectable):
 """Remove a FileDescriptor for notification of data available to read."""

        try:
            if selectable.disconnected:
                self._reads[selectable].kill(block=False)
                del self._reads[selectable]
            else:
                self._reads[selectable].pause()
        except KeyError:
            pass