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Error details
The problem is that I copy the code that is in the left part, but when i paste it in the file, the first lines copies it correctly, but at some point it starts to add a tabulator every line that has something written in it. The first lines it isn't a problem, because you can just erase the tabulator, but for example in this one, the last line that is only a simple "pass", is located in the position 533 of the line. I tried to run the files like this, but it says that there is an index error. I think the problem has something to do with pasting, because I have tried pasting it outside of the website in my own terminal and it copied it well. I'd like a solution, because if the file is short there is no problem, but if it is long the time needed to fix it grows fast. Thank you.