How to unformat repl

how to unformat repl? TY

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Hi @7625965 , welcome to the forums!
You can press CTRL+Z to undo, after you have formatted to go back and un-format it.
In the case that you have exited your repl and went back in, and undoing won’t work, try pressing the History button at the bottom of the file in the editor, to go back to the previous edit history.
Hope this helps!