TIC - TAC - TOE

board=[['0','1','2'],
       ['3','4','5'],
       ['6','7','8']]
def print_board(board):
  for row in board:
    print(row)

def check_game(mark):
  #First let's check rows
  for i in range(3):
    if board[i][0] == mark and board[i][1] == mark and board[i][2]==mark:
      return True
  #Then columns
  for i in range(3):
    if board[0][i] == mark and board[1][i] == mark and board[2][i]==mark:
      return True
  #check diagonally
  if board[0][0] ==mark and board[1][1] == mark and board[2][2]==mark:
    return True
  if board[0][2] ==mark and board[1][1] == mark and board[2][0]==mark:
    return True


  return False


def play_tic_tac_toe():

  current_player = "1"
  mark = "x"
  moves=0

  while(moves<9):

    print()
    print_board(board)

    print("player"+current_player+" move")
    print("please enter the cell number :")

    cell = int(input())

    row = cell//3
    col = cell%3

    if board[row][col] != "X" and board[row][col] !="O" :
      board[row][col]=mark
      moves +=1
      result = check_game(mark)
    else:
      print("This cell is already occupied!!, Try another one!")
      continue
    if result:
      print("!!!player"+ current_player,"has won the game!!!")
      break
    if current_player=="1":
       current_player="2"
       mark="O"
    else:
      current_player="1"
      mark="x"
    if moves==9:
      print("!!!Draw!!!")


play_tic_tac_toe()