random concentric squares with random Stroke colours

By Devjith P
def make_grid(n):
    width = 300
    d = width/n
    xstart = -width/2 + d/2
    ystart = width/2 - d/2
    shapes = []
    for i in range(n):
        for j in range(n):
            x = xstart + d*j
            y = ystart - d*i
            shape = make_shape(d) | translate(x=x, y=y)
            shapes.append(shape)
    return combine(shapes)

def make_shape(width):
    return random_concentric_square(n=10, max_radius=0.8*(width/2))

def random_concentric_square(n, max_radius):
    shapes = []
    for i in range(n):
        fill=color(r=rand_col(),g=rand_col(),b=rand_col())
        r = random(max_radius)
        c = rectangle(h=2*r,w=2*r,stroke=fill)
        shapes.append(c)
    return combine(shapes)
def rand_col():
    return random(0,225)
shape = make_grid(6)
background_=rectangle(h=300,w=300,fill="black",stroke="none")
show(shape)