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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_parameters(self):
 """Return a list of parameters."""

        parenthesis = self.tokens[-1]
        for token in parenthesis.tokens:
            if isinstance(token, IdentifierList):
                return token.get_identifiers()
            elif imt(token, i=(Function, Identifier), t=T.Literal):
                return [token, ]
        return []