Code
c1 = circle(fill="yellow",r=150)
c2 = circle(fill="lavender",r=140)
c3 = circle(fill="orange",r=130)
c4 = circle(fill="red",r=120)
c5 = circle(fill="yellow",r=105)
c6 = circle(x=50,y=50,fill="skyblue",r=50)
c7 = circle(x=-50,y=50,fill="skyblue",r=50)
c8 = circle(x=50,y=-50,fill="skyblue",r=50)
c9 = circle(x=-50,y=-50,fill="skyblue",r=50)
c10 = circle(x=50,y=50,fill="greenyellow",r=35)
c11 = circle(x=-50,y=50,fill="greenyellow",r=35)
c12 = circle(x=50,y=-50,fill="greenyellow",r=35)
c13 = circle(x=-50,y=-50,fill="greenyellow",r=35)
c14 = circle(fill="pink",r=60)
c15 = circle(fill="orchid",r=45)
c16 = circle(fill="yellow",r=30)
show(c1,c2,c3,c4,c5,c6,c7,c8,c9,c10,c11,c12,c13,c14,c15,c16)
