Boss said, "Choose your title" - what to call myself?

So I am in the middle of my undergrad - studying data science - and while school is out for the summer, I got connected through some friends to work at a corporate office that manages HR and accounting for a handful of restaurants. They hired me to help them put together better spreadsheets and figure out better ways to do anything that's on a computer more efficiently (I don't have any formal qualifications for whatever that is called, and …

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