Chapter 3. Iterating and Making Decisions

	"Insanity: doing the same thing over and over again and expecting different results."
	--Albert Einstein

In the previous chapter, we've seen Python built-in data types. Now that you're familiar with data in its many forms and shapes, it's time to start looking at how a program can use it.

According to Wikipedia:

In computer science, control flow (or alternatively, flow of control) refers to the specification of the order in which the individual statements, instructions or function calls of an imperative program are executed or evaluated.

In order to control the flow of a program, we have two main weapons: conditional programming (also known as branching) and looping. We can use them in many different combinations and variations, but in this chapter, instead of going through all possible various forms of those two constructs in a "documentation" fashion, I'd rather give you the basics and then I'll write a couple of small scripts with you. In the first...