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SUBMIT YOUR IDEAedit: whoops I posted my take on challenge 380 here and flagged it for deletion by the mods
Thank you, @Gurpartap0710 , for a neat challenge and giving it a twist on avg sales calculation!
My solution
Might be a bit unconventional but I find it efficient:
An alternative way with good old RegEx.
Is there anything RegEx can not solve? ;)