# ---DRILL---
# Draw an 8x8 checkerboard using nested for loops

import drawSvg as draw
d = draw.Drawing(200, 200, origin='center')

c = 1
for y in range(0,9):
    for x in range(0,9):
        if( c == 1 ):
            d.append(draw.Rectangle(-90+x*20, -100+y*20, 20, 20, fill='blue'))
            c = 0 # change color
        else:
            d.append(draw.Rectangle(-90+x*20, -100+y*20, 20, 20, fill='red'))
            c = 1 # change color
d