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ticTacToe.py
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ticTacToe.py
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#conditions checked:
#
# invalid move
# move already made
# winning conditions
# stalemate conditions
theBoard = {'top-L': ' ','top-M': ' ', 'top-R': ' ',
'mid-L': ' ', 'mid-M': ' ', 'mid-R': ' ',
'low-L': ' ', 'low-M': ' ', 'low-R': ' '}
def printBoard(board):
print(board['top-L'] + '|' + board['top-M'] + '|' + board['top-R'])
print('-+-+-')
print(board['mid-L'] + '|' + board['mid-M'] + '|' + board['mid-R'])
print('-+-+-')
print(board['low-L'] + '|' + board['low-M'] + '|' + board['low-R'])
#Returns true if any horizontal, vertical, or diagonal matches
def checkForWin(board, turn):
if (turn == board['top-L'] and turn == board['top-M'] and turn == board['top-R']) \
or (turn == board['mid-L'] and turn == board['mid-M'] and turn == board['mid-R']) \
or (turn == board['low-L'] and turn == board['low-M'] and turn == board['low-R']) \
or (turn == board['top-L'] and turn == board['mid-L'] and turn == board['low-L']) \
or (turn == board['top-M'] and turn == board['mid-M'] and turn == board['low-M']) \
or (turn == board['top-R'] and turn == board['mid-R'] and turn == board['low-R']) \
or (turn == board['top-L'] and turn == board['mid-M'] and turn == board['low-R']) \
or (turn == board['top-R'] and turn == board['mid-M'] and turn == board['low-L']):
return True
else:
return
#returns False if move already exists
def checkExistingMove(board, move):
if board[move] != ' ':
return False
else:
return True
turn = 'X'
winflag = False
while ' ' in theBoard.values():
printBoard(theBoard)
print('Turn for ' + turn + '. Move on which space?')
move = input()
if move in theBoard:
if checkExistingMove(theBoard, move):
theBoard[move] = turn
if checkForWin(theBoard, turn):
print(turn + ' wins!')
winflag = True
break
else:
if turn == 'X':
turn = 'O'
else:
turn = 'X'
else:
print('That move has already been made. Try again.')
else:
print(move + ' is not a valid move. Try again.')
printBoard(theBoard)
if not winflag:
print('Stalemate.')