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Graphical Python Programming part 2: Write Your Own Screensaver

May 28, 2009, 20:03 (0 Talkback[s])
(Other stories by Akkana Peck)

"Getting random
To pick each new color and position, you'll need Python's random number generator. It's very easy to use. Just import the random module. Then you can use randint to get random numbers. If you wanted a number between 0 and 10: import random

r = random.randint(0, 10)

"How do you use this to draw lots of lines with colors that vary? First, let's set up the skeleton of what you'll want to do. Here's the program from the previous article, except that I've replaced the contents of expose_handler with a loop that will draw 100 lines. As yet, it won't work, because there's no code to set x1, y1, x2, y2:"

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