$ python3 1.py
Choose your mode
H - for human and C - for computer
C

First player turn
Input row
1
Input column
1

---------------
 X  |  .  |  .
---------------
 .  |  .  |  .
---------------
 .  |  .  |  .
---------------

PC turn

---------------
 X  |  .  |  .
---------------
 .  |  O  |  .
---------------
 .  |  .  |  .
---------------

First player turn
Input row
1
Input column

Traceback (most recent call last):
  File "1.py", line 168, in <module>
    turn(player,choose)
  File "1.py", line 120, in turn
    y = int(input())
ValueError: invalid literal for int() with base 10: ''