# Tic-tac-toe - Python

Tic-tac-toe, noughts and crosses, or Xs and Os is a paper-and-pencil game for two players, X and O, who take turns marking the spaces in a 3×3 grid. The player who succeeds in placing three of their marks in a horizontal, vertical, or diagonal row is the winner.

Tic-tac-toe game in Terminal using Python

```  ```
# tic-tac-toe.py
import itertools

def win(current_game):
def all_same(l):
if l.count(l) == len(l) and l != 0:
return True
else:
return False

# horizontal winner
for row in game:
if all_same(row):
print(f"player {row} is the winner horizontally!")
return True

# vertical winner
for col in range(len(game)):
check = []
for row in game:
check.append(row[col])

if all_same(check):
print(f"player {check} is the winner vertically (|)!")
return True

# diagonal winner
diags = []
for row, col in enumerate(reversed(range(len(game)))):
diags.append(game[row][col])
if all_same(diags):
print(f"player {diags} is the winner diagonally (/)!")
return True

diags = []
for ix in range(len(game)):
diags.append(game[ix][ix])
if all_same(diags):
print(f"player {diags} is the winner diagonally (\\)!")
return True

return False

def game_board(game_map, player=0, row=0, column=0, just_display=False):
try:
if game_map[row][column] != 0:
print('This position is occupado! Choose another!')
return game_map, False
#print('   0  1  2')
print('   ' + '  '.join([str(i) for i in range(len(game_map))]))
if not just_display:
game_map[row][column] = player
for (count, row) in enumerate(game_map):
print(count, row)
return game_map, True

except IndexError as e:
print('Error: Make sure you input row/column 0, 1, or 2?',  e)
return game_map, False
except Exception as e:
print('Something went realy wrong!', e)
return game_map, False

play = True
while play:
game = []

game_size = int(input('What size of tic tac toe? '))
for i in range(game_size):
row = []
for j in range(game_size):
row.append(0)
game.append(row)

player_choice = itertools.cycle([1, 2])
game_won = False
game, _ = game_board(game, just_display=True)
while not game_won:
current_player = next(player_choice)
print(f'current_player: {current_player}')
played = False

while not played:
row_choice = int(
input('What a row do you want to play? (0, 1, 2): '))
column_choice = int(
input('What a column do you want to play? (0, 1, 2): '))
game, played = game_board(
game, current_player, row_choice, column_choice)

if win(game):
game_won = True
again = input(
'The game is over would you like to play again? (y/n) ')
if again.lower() == 'y':
print('Restarting...')
elif again.lower() == 'n':
print('Byeee...')
play = False
else:
print('Not a valid answer, so... c u l8r...')
play = False

```
```

Detailed Tutorial Here