New Sketch

By shajebnu asnad
c=circle(r=50,fill="red")
show(c)
c1=circle(r=100,fill="red")
show(c1)
c2=ellipse(x=0,y=0,w=200,h=100,fill="black")+ellipse(x=0,y=0,w=100,h=200,fill="yellow")
show(c2)
s=circle(r=20,fill="black")
show(s)
t=circle(x=75,t=0,r=25,fill="yellow")+circle(x=-75,y=0,r=25,fill="yellow")+circle(x=0,y=75,r=25,fill="black")+circle(x=0,y=-75,r=25,fill="black")
show(t)