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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 handle_identifier_qualified(self, line: str, position: int, tokens: ParseResults) -> ParseResults: """Handle parsing a qualified identifier."""

        namespace, name = tokens[NAMESPACE], tokens[NAME]

        self.raise_for_missing_namespace(line, position, namespace, name)
        self.raise_for_missing_name(line, position, namespace, name)

        return tokens