On-site interview!

Hi guys ! As the title suggests, I have been called for an on-site interview (woohooo) This is the third stage, first was with the HR, send with the hiring manager (wasn’t asked much technical) And this is the third. I am an international graduate student (graduating this May) and I don’t have any experience in on-site interview in America. I don’t know what to expect and what should be done and not done ? Will it be very technical ? Or just meeting the team ? Should I print out my resumes ? Get my own lunch ? I am really not sure what to expect ! Please help !

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