: If the sum leaves a remainder, it colors the square white . Visual Example Matrix (Row + Col) : Top-Left cell (0,0) : →right arrow Next cell right (0,1) : →right arrow First cell second row (1,0) : →right arrow Second cell second row (1,1) : →right arrow 3. Calculating Coordinates
for row in board: # Convert numbers to strings and join with spaces print(" ".join(map(str, row))) Use code with caution. Copied to clipboard Key Takeaways for Your Post 9.1.6 checkerboard v1 codehs
The challenge is deciding when to use gray and when to use black. There is a simple mathematical trick: : If the sum leaves a remainder, it colors the square white
if ((row + col) % 2 == 0) square.setFillColor(Color.RED); else square.setFillColor(Color.BLACK); (B = beeper
(B = beeper, . = empty)