Simulate tic – tac – toe game using min-max algorithm.py

import os 
import time 
board = [' ',' ',' ',' ',' ',' ',' ',' ',' ',' '] 
player = 1 
########win Flags########## 
Win = 1 
Draw = -1 
Running = 0 
Stop = 1 
########################### 
Game = Running 
Mark = 'X' 
#This Function Draws Game Board 
def DrawBoard(): 
    print(" %c | %c | %c " % (board[1],board[2],board[3])) 
    print("___|___|___") 
    print(" %c | %c | %c " % (board[4],board[5],board[6])) 
    print("___|___|___")
    print(" %c | %c | %c " % (board[7],board[8],board[9])) 
    print("") 
#This Function Checks position is empty or not 
def CheckPosition(x): 
    if(board[x] == ' '): 
        return True 
    else: 
        return False 
#This Function Checks player has won or not 
def CheckWin(): 
    global Game 
    #Horizontal winning condition 
    if(board[1] == board[2] and board[2] == board[3] and board[1] != ' '): 
        Game = Win 
    elif(board[4] == board[5] and board[5] == board[6] and board[4] != ' '): 
        Game = Win 
    elif(board[7] == board[8] and board[8] == board[9] and board[7] != ' '): 
        Game = Win 
    #Vertical Winning Condition 
    elif(board[1] == board[4] and board[4] == board[7] and board[1] != ' '): 
        Game = Win 
    elif(board[2] == board[5] and board[5] == board[8] and board[2] != ' '): 
        Game = Win 
    elif(board[3] == board[6] and board[6] == board[9] and board[3] != ' '): 
        Game=Win 
    #Diagonal Winning Condition 
    elif(board[1] == board[5] and board[5] == board[9] and board[5] != ' '): 
        Game = Win 
    elif(board[3] == board[5] and board[5] == board[7] and board[5] != ' '): 
        Game=Win 
    #Match Tie or Draw Condition 
    elif(board[1]!=' ' and board[2]!=' ' and board[3]!=' ' and board[4]!=' ' and board[5]!=' ' and 
board[6]!=' ' and board[7]!=' ' and board[8]!=' ' and board[9]!=' '): 
        Game=Draw 
    else: 
        Game=Running 
print("Tic-Tac-Toe Game") 
print("Player 1 [X] --- Player 2 [O]\n") 
print() 
print() 
print("Please Wait...") 
time.sleep(1) 
while(Game == Running): 
    os.system('cls') 
    DrawBoard() 
    if(player % 2 != 0): 
        print("Player 1's chance") 
        Mark = 'X' 
    else: 
        print("Player 2's chance") 
        Mark = 'O' 
    choice = int(input("Enter the position between [1-9] where you want to mark : ")) 
    if(CheckPosition(choice)): 
        board[choice] = Mark 
        player+=1 
        CheckWin() 
os.system('cls') 
DrawBoard() 
if(Game==Draw): 
    print("Game Draw") 
elif(Game==Win): 
    player-=1 
    if(player%2!=0): 
        print("Player 1 Won") 
    else: 
        print("Player 2 Won")