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#sample solution


import random

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 random.randint(0,len(board)-1)

def random_col(board):
return random.randint(0,len(board[0])-1)

print random_row(board)
print random_col(board)