ttt.py

board2=['','','','','','','','','_']

#####choose if x or 0

positionlist=[]
first='X'
second='0'
print('{}|{}|{}\n{}|{}|{}\n{}|{}|{}'.format(*board2))


response=input("do you want to be 'X' or 'Y'?")

            
def switch_player(current_player):
    if current_player == first:
        return second
    elif current_player == second:
        return first
    
while response is first:
    if position in range(0,9) and board2[position] != '_':
        print('wrong choice')
        position=int(input('choose position please'))
    else:
        board2[position] = 'X'

    print('{}|{}|{}\n{}|{}|{}\n{}|{}|{}'.format(*board2))
    position=int(input('choose position please'))
    positionlist.append(position)

    print('the position list is:', positionlist)

while response is second:
    if position in range(0,9) and board2[position] !='_':
        print('wrong choice')
        position=int(input('choose position please'))
    else:
        board2[position] = 'Y'

    print('{}|{}|{}\n{}|{}|{}\n{}|{}|{}'.format(*board2))
    position=int(input('choose position please'))
    positionlist.append(position)

    print('the position list is:', positionlist)
    
###conditions