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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 active_vectors(self):
 """The active vectors array"""

        field, name = self.active_vectors_info
        if name:
            if field is POINT_DATA_FIELD:
                return self.point_arrays[name]
            if field is CELL_DATA_FIELD:
                return self.cell_arrays[name]