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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 _getslice(self, maps):
 """Determines how to slice the scratch for returning values."""

        invals =  maps[list(self.inputs)[0]]
        if not isinstance(invals, (numpy.ndarray, list)):
            getslice = 0
        else:
            getslice = slice(None, None)
        return getslice