A.
self.cursor.execute("update students set Name=%s,=%s,Age=%s where No=%s",(Name,,Age,No))
B.
self.cursor.execute("update students set Name=%s,=%s,Age=%s where No=%d",(Name,,Age,No))
C.
self.cursor.execute("update students set Name=?,=?,Age=? where No=?",(Name,,Age,No))
D.
self.cursor.execute("update students set Name=%,=%,Age=% where No=%",(Name,,Age,No))