This article is a learning record for Python learners, and the posted code is a sample for educational purposes.What I did ...

This is the Python material that does not get left behind. Almost none of it is replaced by a framework later. Learn it, and keep this cheat sheet close by as a handy reference.

This time, I learned how to process nested dictionaries—where a dictionary contains another dictionary as a value—by using a nested for loop to traverse the outer dictionary's keys and then the inner ...