tic tac toe

board = [" " for i in range(9)]

def print_board() :
    row1 ="|{}|{}|{}|".format(board[0],board[1],board[2])
    row2 ="|{}|{}|{}|".format(board[3],board[4],board[5])
    row3 ="|{}|{}|{}|".format(board[6],board[7],board[8])
    
    print()
    print(row1)
    print(row2)
    print(row3)
    print()

def player_move(icon):
    if icon=="X":
        number=1
    elif icon=="O":
        number=2
    
    print("your turn player {}".format(number))
    choice=int(input("enter your move(1-9): ").strip())
    if board[choice-1]==" ":
        board[choice-1]=icon
    else:
        print()
        print("space is already taken")
    
def is_victory(icon):
    if(board[0]==icon and board[1]==icon and board[2]==icon) or (board[3]==icon and board[4]==icon and board[5]==icon) or (board[6]==icon and board[7]==icon and board[8]==icon) or (board[0]==icon and board[3]==icon and board[6]==icon) or (board[1]==icon and board[4]==icon and board[7]==icon) or (board[2]==icon and board[5]==icon and board[8]==icon) or (board[0]==icon and board[4]==icon and board[8]==icon) or (board[2]==icon and board[4]==icon and board[6]==icon):
        return True
    else:
        return False

def is_draw():
    if " " not in board:
        return True
    else:
        return False
    
    
    
while True:
    print_board()
    player_move("X")
    print_board()
    if is_victory("X"):
        print("X wins ,congrats!")
        break
    elif is_draw():
        print("its draw!")
        break
    
    
    player_move("O")
    if is_victory("O"):
        print_board()
        print("O wins,congrats!")
        break
    elif is_draw():
        print("its draw!")
        break