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The Tkinter library folder \lib-tk contains a module called turtle. You can import this module and experiment with turtle graphics. Tell the turtle to move and draw circles, lines, rectangles and more, and watch it, as it performs on a Tkinter canvas. In typical turtle fashion it moves at its... (View Snippet)
The other day I was looking at my family tree. There are my parents Antonio and Lucy Vegaseat, then my grandparents Alfonso and Ludmilla Vegaseat on my father's side and Roland and Helga Gruenspan on my mother's side. Then come my great grandparents, by now there are eight of those. It was time... (View Snippet)
Jumping through a few extra hoops allows you to display the common image format jpeg on a panel of the wxPython GUI window. All you need to do is to read in the image file as a binary, convert to a byte stream image and then to a bitmap. Now you can display the bitmap. An updated simpler way... (View Snippet)
Python is entirely object oriented and using classes is made relatively simple. Beginners have a certain angst when it comes to using classes. There is a hump in the learning curve, which I like to overcome with this example. Inheritance really makes sense and saves you a lot of extra code... (View Snippet)
A list of class objects mimics a C array of structures. The snippet explores how to setup the list, and sort the list according to a selected attribute. Then we use a format string to display the sorted list. Take a look at how to search the list. All in all an easy way to handle structured... (View Snippet)
Boo is new, well at least relatively new. If you are familiar with Python and C#, you can feel right at home. Most of Boo is written in C# by a Python devotee. Boo has static typing, but also mimics dynamic typing by inference. This way you are not in a complete straight-jacket. It runs in the... (View Snippet)
The lowly soundcard in your PC has fascinating capabilities. All you need is a module that can handle the Musical Instrument Digital Interface (MIDI). Tell the soundcard which instrument to play, specify the musical note, the duration, the beat and other things. The sound chip makes 127... (View Snippet)
This code snippet allows you to list the files in a folder sorted by "last modified date". The tuple returned by the os.stat() function contains amongst other things the last modified date, which is then converted by the time.localtime() function to a tuple that is ideal for sorting. You can... (View Snippet)
A lotto simulator with a twist, you pick the winning numbers and the computer buys the lotto tickets. Anyway, the computer at least generates the tickets and checks how many of them would match the winning numbers you selected. Let's assume you would be the state lotto commissioner and your... (View Snippet)
This snippet shows you how to animate a dice roll with the Tkinter GUI, useful for many games that require a dice to give a random number from 1 to 6. An interesting use of Tkinter's grid(), grid_forget() and after() functions. (View Snippet)
