@_CG_SaiksyApo provide a really meanful of "what is obfuscating code" for Codingame : write directly a binary file and try to execute it. I don't think that the fear of @Icebox holds. In the case that someone trains a neural network and his/her program loads the training data, this practice should be allowed (in my opinion).
Assuming that the above remarks are true, anyone can write code as duty as he/she wants but never try to write directly binary code.
I don't know if I'm right, but to close this thread, my remarks should be confirmed or discuted by codingame.
PS : if I'm right, this means that the tool provided by @Agade is legal on codingame (cf. first post of @Magus)