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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 types(self):
 """All the unique types found in user supplied model"""

        res = []
        for column in self.column_definitions:
            tmp = column.get('type', None)
            res.append(ModelCompiler.get_column_type(tmp)) if tmp else False
        res = list(set(res))
        return res