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tic-tac-toe.py
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tic-tac-toe.py
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class TicTacToe:
WINNING_COMBINATIONS = [[1,2,3],[4,5,6],[7,8,9],[1,4,7],[2,5,8],[3,6,9],[1,5,9],[3,5,7]]
def __init__(self):
self.board = [[" "]*3 for i in range(3)]
def __repr__(self):
return ("\n"+"-"*9+"\n").join([" | ".join(row) for row in self.board])
def get(self, position):
return self.board[(position-1)/3][(position-1)%3]
def set(self, player, position):
self.board[(position-1)/3][(position-1)%3] = player.upper()
def isEmpty(self, position):
return self.get(position) == " "
def makeMove(self, player, position):
if self.isEmpty(position) is True:
self.set(player, position)
else:
raise Exception("Invalid position")
def won(self, player, last_pos):
possible_combinations = []
for combination in self.WINNING_COMBINATIONS:
if last_pos in combination:
possible_combinations.append(combination)
for combination in possible_combinations:
won = 0
for i in combination:
if self.get(i) == player:
won += 1
if won == 3:
return True
return False
def validMoves(self):
validMoves = []
for i in range(1, 10):
if self.isEmpty(i):
validMoves.append(str(i))
return validMoves
def printValidMoves(self):
print ",".join(self.validMoves())
class Cli:
def __init__(self, starting_player):
self.board = TicTacToe()
self.curr_player = starting_player
def play(self):
print "-"*80
print "Player " + self.curr_player
print "-"*80
print self.board
self.last_position = self.makeValidMove()
if self.board.won(self.curr_player, self.last_position) is True:
print "Player " + self.curr_player + " won!\nCongratulations!!"
else:
self.curr_player = "X" if self.curr_player == "O" else "O"
self.play()
def makeValidMove(self):
position = input("Enter the position where you want to have your flag: ")
try:
self.board.makeMove(self.curr_player, position)
except Exception, e:
print str(e)
print "Valid moves: "
self.board.printValidMoves()
return self.makeValidMove()
return position
game=Cli("X")
game.play()