Python Programming with Design Patterns

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What Are Design Patterns?

Sitting at your desk in front of your workstation, you stare into space, trying to figure out how to write a new program feature. You know intuitively what must be done, what data and what objects come into play, but you have this underlying feeling that there is a more elegant and general way to write this program.

In fact, you probably don’t write any code until you can build a picture in your mind of what the code does and how the pieces of the code interact. The more you can picture this “organic whole,” the more likely you are to feel comfortable that you have developed the best solution to the problem. If you don’t grasp this whole right away, you might keep staring out the window for a time, even though the ...