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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 get_hdrgo2usrgos(self, hdrgos):
 """Return a subset of hdrgo2usrgos."""

        get_usrgos = self.hdrgo2usrgos.get
        hdrgos_actual = self.get_hdrgos().intersection(hdrgos)
        return {h:get_usrgos(h) for h in hdrgos_actual}