Define user command in a Code Block


I can’t find what is wrong in my code. Yes, i have no background about programming.(sigh~)

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Not much change required! :slight_smile: Just define your variable lst1 so that the function knows that it’s a list that’s expected as input. That would be by typing a “:” followed by “var[]” as shown under.

For list of lists you can use “var[]…[]” (without the exclamation marks)




Oh, many Thanks, Jostein.