(And yes, Python's definition of "everything" isn't as wide as Smalltalk's.) And you'll get the following output: In bar, 10 * 2 = 20 I don't want to dwell on how all of this works, including inner ...

One performance-enhancement technique common to many languages, and one Python can use too, is memoization—caching the results of a function call so that future calls with the same inputs don ...