if __name__ == '__main__':
size_x = 8
size_y = 8
mines = 10
letters = {letter: index for index, letter in enumerate(ascii_lowercase)}
game = Game(size_y, size_x, mines)
print('Minesweper ({},{}) with {} mines.'.format(size_y, size_x, mines))
print('Input your moves in row column format, e.g. a 4.')
print('If you want to add a flag, add f after the position, e.g. b 6 f.')
print('Flags are {} and unopened fields are {}.'.format(Game._FLAG, Game._UNOPENED))
while game.won() == 0:
game.show_field()
print()
move = input('Your input: ')
move = move.split()
try:
y = letters[move[0]]
x = int(move[1])
if len(move) == 2:
game.open(y, x)
else:
game.flag(y, x)
except Exception:
print('Invalid move. Please try again.')
if game.won() == 1:
print('You won. Congratulations')
else:
print('You lost.')
