nan + nan = 2nan

코드 입력 king = 1 queen = 1 rook = 2 bishop = 2 knight = 2 pawn = 8 def get_diff(n, chess): if n != chess: result = chess - n return result else: return 0 def chess(k, q, r, b, kn, p): k_ = get_diff(k, king) q_ = get_diff(q, queen) r_ = get_diff(r, rook) b_ = get_diff(b, bishop) kn_ = get_diff(kn, knight) p_ = get_diff(p, pawn) return k_, q_, r_, b_, kn_, p_ a,b,c,d,e,f = map(int, input().split()) ..