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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 account_info(self):
 """ Certain attributes have a user's account information associated with it such as a gifted or crafted item. A dict with two keys: 'persona' and 'id64'. None if the attribute has no account information attached to it. """

        account_info = self._attribute.get("account_info")
        if account_info:
            return {"persona": account_info.get("personaname", ""),
                    "id64": account_info["steamid"]}
        else:
            return None