All of the syntax shown here is standard Python. Type hints for our variables are done in the conventional Python way. For instance, the variable n is declared at the class level with a Python ...

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.

the developer protects the print statement from being executed as unguarded, top-level code. The following two Python files demonstrate how the __name__ variable differs when a file is executed ...