1. data = [[1,0,0], [1,2,0], [1,0,2]]
2. row = 0
3. taken = []
4. gameround = 0
5. invalidusage = ""
6. invalidrange = ""
7.  
8. while gameround  < 9:
9.   rowchoice = int(input("Pick a row between 1 and 3 - "))
10.   columnchoice = int(input("Pick a column between 1 and 3 - "))
11.   chosensquare = (rowchoice + columnchoice)
12.   taken.append(chosensquare)
13.   count = taken.count(chosensquare)
14.  
15.   if count > 0 and gameround > 0:
16.     invalidusage = "yes"
17.   if chosensquare > 3 or chosensquare < 1:
18.     invalidrange = "yes"
19.  
20.   while invalidusage == "yes" and invalidrange == "yes":
21.     print("invalid")
22.     rowchoice = int(input("Pick a row between 1 and 3 - "))
23.     columnchoice = int(input("Pick a column between 1 and 3 - "))
24.     chosensquare = (rowchoice + columnchoice)
25.     taken.append(chosensquare)
26.     count = taken.count(chosensquare)
27.  
28.     if count > 0 and gameround > 0:
29.       invalidusage = "yes"
30.     if chosensquare > 3 or chosensquare < 1:
31.       invalidrange = "yes"
32.  
33.    
34.  
35.   while row < 3:
36.     col = 0
37.     temp = ""
38.     while col < 3:
39.       if data[row][col] == 0: temp = temp + " "
40.       elif data[row][col] == 1: temp = temp + "X"
41.       else: temp = temp + "o"
42.       col = col + 1
43.     print(temp)
44.     gameround = gameround + 1
45.     row = row + 1
46.