Do you think Ezra is A on Pretty Little Liars?

My friend and i got into a debate over whether Ezra is A. I don't think he is but she provided me with many reasons why he is, which make no sense in my opinion. Do you thing Ezra is A? Why or why not?
Update: I mean in the show not the book. In the book it is mona oops spoiler alert! they said it isn't going to be mona in the show.
Update 2: GUYS I MEAN IN THE SHOW!!!!!! i know that ezra is not a in the books! im talking about the show!
Update 3: dont say ur sources are the books because it isn't going to be the same as the book. it is a different person!!!!!
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