The board position; for example,

def$($col$,$ row$)$:

b$.)$

The player; for example,

def turn$($player$)$:

c$.)$

Whether selecting a column or row; for example,

def turn$($col$\_$or$\_$row$)$:

d$.)$

Whether selecting a column or row, and the player; for example,

def turn$($col$\_$or$\_$row, player$)$: