If you insert a new element into a list ... To really get a handle on how to add to a dictionary in Python, how to store data in other ways, and how to do much more, you should consider taking ...

Python, for all its power and popularity, has long lacked a form of flow control found in other languages—a way to take a value and match it elegantly against one of a number of possible conditions.

Learn how Python's dictionary data ... For instance, a list can’t be a key, because elements can be added to or removed from a list. Likewise, a dictionary itself can’t be a key for the ...