python battleship_codecademy的Python里的battleship报错

报错：Oops,tryagain.Didyouaddyourifstatementwiththe"GameOver"message?代码如下：fromrandomimportrandintboard=[]forxinrange(5):board.append(["O"]*5)defprint_board(board):fo...

报错：Oops, try again. Did you add your if statement with the "Game Over" message?

代码如下：

from random import randint

board = []

for x in range(5):

board.append(["O"] * 5)

def print_board(board):

for row in board:

print " ".join(row)

print "Let's play Battleship!"

print_board(board)

def random_row(board):

return randint(0, len(board) - 1)

def random_col(board):

return randint(0, len(board[0]) - 1)

ship_row = random_row(board)

ship_col = random_col(board)

print ship_row

print ship_col

# Everything from here on should go in your for loop!

# Be sure to indent four spaces!

for turn in range(4):

print "Turn",turn+1

print_board(board)

guess_row = int(raw_input("Guess Row:"))

guess_col = int(raw_input("Guess Col:"))

if guess_row == ship_row and guess_col == ship_col:

print "Congratulations! You sunk my battleship!"

else:

if (guess_row < 0 or guess_row > 4) or (guess_col < 0 or guess_col > 4):

print "Oops, that's not even in the ocean."

elif(board[guess_row][guess_col] == "X"):

print "You guessed that one already."

else:

print "You missed my battleship!"

board[guess_row][guess_col] = "X"

# Print (turn + 1) here!

if turn == 3:

print "Game over"

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python battleship_codecademy的Python里的battleship报错

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