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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 tag_syntax_maltparser(self):
 """ Changes default syntactic parser to MaltParser, performs syntactic analysis, and stores the results in the layer named LAYER_CONLL."""

        if not self.__syntactic_parser or not isinstance(self.__syntactic_parser, MaltParser):
            self.__syntactic_parser = MaltParser()
        return self.tag_syntax()