But then I show them that functions and classes are both objects, and they realize that Python's notion of "everything ... str: return f"In bar, {x} * {y} = {x*y}" return bar b = foo(10) print(b(2)) ...

The other way to fix the problem is to mess around with Python’s print method, which means learning about Python’s collection of built-in functions. One of the most fundamental concepts in ...