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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_elements(self, object_list):
 """ Recursive method to iterate the tree of children in order to flatten it :param object_list: :return: """

        result = []
        for item in object_list:
            if isinstance(item, list):
                result += self.get_elements(item)
            elif isinstance(item, TranslatableModel):
                result.append(item)
        return result