rangoli with function

By ARJUN
def diamond(size):
    p1=point(x=0,y=2*size)
    p2=point(x=2*size,y=0)
    p3=point(x=0,y=-2*size)
    p4=point(x=-2*size,y=0)
    shape=polygon([p1,p2,p3,p4])
    return (shape)

def rangoli(R):
    c = circle(x=0,y=0,r=R)
    d = diamond(R/2)
    s = rectangle(x=0,y=0,w=R,h=R)
    c1 = circle(x=0,y=0,r=R/2)
    d1 = diamond(R/4)
    s1 = rectangle(x=0,y=0,w=R/2,h=R/2)
    return (c+d+s+c1+d1+s1)
r=rangoli(100)
show(r)