codecademy 第二次大作业答案（矩阵游戏）

from random import randint

board = []

for x in range(0,5):
    board.append(["O"] * 5)

def print_board(board):
    for row in board:
        print (" ".join(row))

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)

# Add your code below!
for turn in range(4):
    guess_row = int(input("Guess Row: "))
    
    guess_col = int(input("Guess Col: "))
    
    print (ship_row)
    print (ship_col)
    
    # Write your code below!
    if guess_row == ship_row and guess_col == ship_col:
        print ("Congratulations! You sank my battleship!")
        break
    else:
        if guess_row not in range(5) or \
        guess_col not in range(5):
            print ("Oops, that's not even in the ocean.")
        elif board[int(guess_row)][int(guess_col)] == "X":
            print ("You guessed that one already.")        
        else:
            print ("You missed my battleship!")
            board[int(guess_row)][int(guess_col)] = "X"
            print ("you have entered : " + str(turn + 1) + "  times")
            print_board(board)
            if turn == 3:
                print ("Game Over")