######################################
# Chessboard example - 3.1.7.1 - Lists
######################################

EMPTY = "-"

ROOK = "ROOK"

board = []

for i in range(8):
    row = [EMPTY for i in range(8)]
    board.append(row)


board[0][0] = ROOK
board[0][7] = ROOK
board[7][0] = ROOK
board[7][7] = ROOK

print(board)
