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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 import_subview(self, idx, subview):
 """ Add the given subview to the corpus. Args: idx (str):
 An idx that is unique in the corpus for identifying the subview. If already a subview exists with the given id it will be overridden. subview (Subview):
 The subview to add. """


        subview.corpus = self
        self._subviews[idx] = subview