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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_report(self, value):
 """Return provided field Python value formatted for use in report filter"""

        if self.multiselect:
            value = value or []
            children = []

            for child in value:
                children.append(self.cast_to_report(child))

            return children

        return self.cast_to_report(value)