If you have never programmed before, then make sure to read the next section to find out precisely what an “if statement” is, and how to use it. if magic_number ...

Is there a general way to traverse and replace the items in a nested sequence of arbitrary depth? Say, for instance, that I want to eliminate all the commas in any strings in some absurd nested ...

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.