Should I tell a guy he’s attractive?

Anonymous
So there’s this guy in one of my classes that I’ve only spoken to once briefly in person, but found him to be extremely attractive upon meeting him. It’s just one of those natural attraction moments that leave you thinking about that person. However, this class ends in just few days so I was planning to tell him after that he’s really “handsome/attractive” as a compliment and also as a sign of interest. I barely know him (I don’t have his socials) but I’d like to know him more basically. I was wondering if it would be a bad idea to tell him he’s “attractive/ handsome” or if there are other things I could say? He’s just really attractive ( personality wise & physically) and the bold part of me wants to let him know that ! Do guys like that? Does it come off as weird?
Should I tell a guy he’s attractive?
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