Про ёжика в тумане, зазнайство, языки программирования и вериги

Next two texts were intended for children. They describe obvious things. At least they are obvious for me. It seems many experts in information technologies understand these things differently or have not tried to consider problems from this point of view.

"Adult version" does not contain illustrations and samples. I also do not describe exceptions because they are not important. I write only a short version. Full detailed explanations are time consuming.

Note, if you feel something in the following texts is wrong, it is most probably your interpretation.

Models

We do not solve problems in a direct way. We use mental models.
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