Example 1: how to code a tic tac toe game with ai python
board = [' ' for x in range(10)]
def insertLetter(letter, pos):
board[pos] = letter
def spaceIsFree(pos):
return board[pos] == ' '
def printBoard(board):
print(' | |')
print(' ' + board[1] + ' | ' + board[2] + ' | ' + board[3])
print(' | |')
print('-----------')
print(' | |')
print(' ' + board[4] + ' | ' + board[5] + ' | ' + board[6])
print(' | |')
print('-----------')
print(' | |')
print(' ' + board[7] + ' | ' + board[8] + ' | ' + board[9])
print(' | |')
def isWinner(bo, le):
return (bo[7] == le and bo[8] == le and bo[9] == le) or (bo[4] == le and bo[5] == le and bo[6] == le) or(bo[1] == le and bo[2] == le and bo[3] == le) or(bo[1] == le and bo[4] == le and bo[7] == le) or(bo[2] == le and bo[5] == le and bo[8] == le) or(bo[3] == le and bo[6] == le and bo[9] == le) or(bo[1] == le and bo[5] == le and bo[9] == le) or(bo[3] == le and bo[5] == le and bo[7] == le)
def playerMove():
run = True
while run:
move = input('Please select a position to place an \'X\' (1-9): ')
try:
move = int(move)
if move > 0 and move < 10:
if spaceIsFree(move):
run = False
insertLetter('X', move)
else:
print('Sorry, this space is occupied!')
else:
print('Please type a number within the range!')
except:
print('Please type a number!')
def compMove():
possibleMoves = [x for x, letter in enumerate(board) if letter == ' ' and x != 0]
move = 0
for let in ['O', 'X']:
for i in possibleMoves:
boardCopy = board[:]
boardCopy[i] = let
if isWinner(boardCopy, let):
move = i
return move
cornersOpen = []
for i in possibleMoves:
if i in [1,3,7,9]:
cornersOpen.append(i)
if len(cornersOpen) > 0:
move = selectRandom(cornersOpen)
return move
if 5 in possibleMoves:
move = 5
return move
edgesOpen = []
for i in possibleMoves:
if i in [2,4,6,8]:
edgesOpen.append(i)
if len(edgesOpen) > 0:
move = selectRandom(edgesOpen)
return move
def selectRandom(li):
import random
ln = len(li)
r = random.randrange(0,ln)
return li[r]
def isBoardFull(board):
if board.count(' ') > 1:
return False
else:
return True
def main():
print('Welcome to Tic Tac Toe!')
printBoard(board)
while not(isBoardFull(board)):
if not(isWinner(board, 'O')):
playerMove()
printBoard(board)
else:
print('Sorry, O\'s won this time!')
break
if not(isWinner(board, 'X')):
move = compMove()
if move == 0:
print('Tie Game!')
else:
insertLetter('O', move)
print('Computer placed an \'O\' in position', move , ':')
printBoard(board)
else:
print('X\'s won this time! Good Job!')
break
if isBoardFull(board):
print('Tie Game!')
while True:
answer = input('Do you want to play again? (Y/N)')
if answer.lower() == 'y' or answer.lower == 'yes':
board = [' ' for x in range(10)]
print('-----------------------------------')
main()
else:
break
Example 2: tic tac toe algorithm python
import random
def algoX(lisp):
'''my bacic stupid idiotic dunder-headded ape-brained algorithim'''
for i in range(len(lisp)):
if lisp[i] == 1:
lisp[i] = 'X'
elif lisp[i] == 2:
lisp[i] = 'O'
def zeros(list):
out = 0
for i in range(len(list)):
if list[i] == 0:
out += 1
return out
def count(list, simb):
out = 0
for i in range(len(list)):
if list[i] == simb:
out += 1
return out
if count(lisp[0:3], 'X') == 2 and zeros(lisp[0:3]) == 1:
lisp[0:3] = 'X','X','X'
elif count(lisp[3:6], 'X') == 2 and zeros(lisp[3:6]) == 1:
lisp[3:6] = 'X','X','X'
elif count(lisp[6:9], 'X') == 2 and zeros(lisp[6:9]) == 1:
lisp[6:9] = 'X','X','X'
elif count([lisp[0],
lisp[3],
lisp[6]],'X') == 2 and zeros([lisp[0],lisp[3],lisp[6]]) == 1:
for i in range(3):
lisp[i*3] = 'X'
elif count([lisp[1],
lisp[4],
lisp[7]],'X') == 2 and zeros([lisp[1],lisp[4],lisp[7]]) == 1:
for i in range(3):
lisp[(i*3)+1] = 'X'
elif count([lisp[2],
lisp[5],
lisp[8]],'X') == 2 and zeros([lisp[2],lisp[5],lisp[8]]) == 1:
for i in range(3):
lisp[(i*3)+2] = 'X'
elif count([lisp[0],
lisp[4],
lisp[8]],'X') == 2 and zeros([lisp[0],lisp[4],lisp[8]]) == 1:
for i in range(3):
lisp[(i*4)] = 'X'
elif count([lisp[2],
lisp[4],
lisp[6]],'X') == 2 and zeros([lisp[2],lisp[4],lisp[6]]) == 1:
lisp[2], lisp[4], lisp[6] = 'X','X','X'
else:
'''prevent loss'''
if count(lisp[0:3], 'O') == 2 and zeros(lisp[0:3]) == 1:
for i in range(3):
if lisp[i] == 0:
lisp[i] = 'X'
elif count(lisp[3:6], 'O') == 2 and zeros(lisp[3:6]) == 1:
for i in range(3,6):
if lisp[i] == 0:
lisp[i] = 'X'
elif count(lisp[6:9], 'O') == 2 and zeros(lisp[6:9]) == 1:
for i in range(6,9):
if lisp[i] == 0:
lisp[i] = 'X'
elif count([lisp[0],
lisp[3],
lisp[6]],'O') == 2 and zeros([lisp[0],lisp[3],lisp[6]]) == 1:
for i in range(3):
if lisp[i*3] == 0:
lisp[i*3] = 'X'
elif count([lisp[1],
lisp[4],
lisp[7]],'X') == 2 and zeros([lisp[1],lisp[4],lisp[7]]) == 1:
for i in range(3):
if lisp[(i*3)+1] == 0:
lisp[(i*3)+1] = 'X'
elif count([lisp[2],
lisp[5],
lisp[8]],'X') == 2 and zeros([lisp[2],lisp[5],lisp[8]]) == 1:
for i in range(3):
if lisp[(i*3)+2] == 0:
lisp[(i*3)+2] = 'X'
elif count([lisp[0],
lisp[4],
lisp[8]],'X') == 2 and zeros([lisp[0],lisp[4],lisp[8]]) == 1:
for i in range(3):
if lisp[i*4] == 0:
lisp[(i*4)] = 'X'
elif count([lisp[2],
lisp[4],
lisp[6]],'X') == 2 and zeros([lisp[2],lisp[4],lisp[6]]) == 1:
if lisp[2] == 0:
lisp[2] = 'X'
elif lisp[4] == 0:
lisp[4] = 'X'
elif lisp[6] == 0:
lisp[6] = 'X'
else:
'''regular options'''
if lisp[4] == 0:
lisp[4] = 'X'
else:
while True:
rand = random.randint(0,8)
if lisp[rand] == 'X' or lisp[rand] == 'O':
continue
else:
lisp[rand] = 'X'
break
return lisp