The examples of "c extern" in the "Doc/includes/newtypes" directory of Python 3.11 and later versions need to be optimized, the memory structure of the __dict__ in the C extern example under Doc/includes/newtypes is outdated.

The examples of "c extern" in the "Doc/includes/newtypes" directory of Python 3.11 and later versions need to be optimized, the memory structure of the __dict__ in the C extern example under Doc/includes/newtypes is outdated. #4892