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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 list_attributes(self, name):
 """ Look up the attributes of a list. Args: name (str):
 The name of the list Returns: dict: attributes of the list """

        result = self.client.service.getListAttributes(name, self.proxy_id)
        if isinstance(result, list) and len(result) == 1:
            return result[0]
        return result