(setq maxrow 2)

(setq maxcol 4)

(defun get-neighbors-info (entire-graph row column)
  (let ((neighbors-exist nil))
    (if (> (- row 1) 0)
        (cons neighbors-exist T)
      (cons neighbors-exist F))
    (if (> (+ row 1) maxrow)
        (cons neighbors-exist T)
      (cons neighbors-exist F))
    (if (> (- col 1) 0)
        (cons neighbors-exist T)
      (cons neighbors-exist F))
    (if (> (+ col 1) 0)
        (cons neighbors-exist T)
      (cons neighbors-exist F))))

(get-neighbors-info graph 0 0)