9.1.7 Checkerboard V2 Answers [top] May 2026

The logic (row + col) % 2 != 0 is the standard mathematical way to create a checkerboard. : Sum is 0 (Even) → stays 0 . Row 0, Col 1 : Sum is 1 (Odd) → becomes 1 . Row 1, Col 0 : Sum is 1 (Odd) → becomes 1 . Row 1, Col 1 : Sum is 2 (Even) → stays 0 .

: In Python, improper indentation of your nested loops will cause a SyntaxError or logic failure. Ensure your if statement is inside the second loop. 9.1.7 checkerboard v2 answers

You need to create an 8x8 grid (a list of lists) where the elements alternate between 0 and 1 . The key constraint is often that you must use nested loops and assignment statements ( board[i][j] = 1 ) rather than just printing the expected output string. The Solution: Python Implementation The logic (row + col) % 2