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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def send_at_point(self, what, row, col):
 """Ask the server to perform an operation at a given point."""

        pos = self.get_position(row, col)
        self.send_request(
            {"typehint": what + "AtPointReq",
             "file": self._file_info(),
             "point": pos})