This is just telling the program to return if there is no card present. This helps the program faster because if there is no card present the program doesn't need to do nothing.
But I will try this method anyway to see what happens.
This is just telling the program to return if there is no card present. This helps the program faster because if there is no card present the program doesn't need to do nothing.
But I will try this method anyway to see what happens.