English version is in beta. All contents of the site should be already translated (mostly using machine translation), and everything should work properly. However, if you find any problems, please contact me.

Level 1A

To advance to the next level, you need to solve all problems.

Arithmetic operations

Conditional operator

How to debug programs

How to debug small programs. This is a rather famous text, although I find it way too complex. Anyway, read it and you may find it useful, and one day I will add my own vision of this topic here.

Loops

Theory on loops
Inside the theory on loops there is also a section about the break and continue commands. Read it, even if you don't write in python, everything is the same in other languages.