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Python 101 (part 3): A Twist In The Tail
Add flow control to your Python programs with the "for" and "while" loops.

| The Big Picture  |

Last time out, I taught you a little bit about two of Python's basic data types, strings and numbers. I also gave you a crash course in Python operators and expressions, and demonstrated how they could be used in conjunction with the "if" family of conditional statements to add control routines to your Python programs.

However, "if" statements are only one piece of the jigsaw; Python also allows you to control program execution with the "while" and "for" loops, which coincidentally also happen to be the subject of today's discussion. Along the way, I'll be demonstrating yet another of Python's built-in data structures, visiting the Superhero Hall Of Fame, hooking up with some old flames, and examining prime numbers and factorials.

Let's get started, shall we?


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