This portion of code is made to do a keypad scan that returns the key that corresponds to the keypad value. Right now, it prints out the correct column for row 4 of the keypad. when I change the for loop in 79 to for(row = 0; row < 3; row++) { , it returns key values that correspond to to row 3. for(row = 0; row < 2; row++) { for row 2 and so forth. How could I edit the code to have any row work simutaneously with the correct column?