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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 addBiosample(self, biosample):
 """ Adds the specified biosample to this dataset. """

        id_ = biosample.getId()
        self._biosampleIdMap[id_] = biosample
        self._biosampleIds.append(id_)
        self._biosampleNameMap[biosample.getName()] = biosample