New Sketch

By Ameena
bg8=circle(r=190,stroke="none",fill="#21C4D3")

bg7=circle(r=175,stroke="none",fill="white")

bg6=circle(r=150,stroke="none",fill="#21C4D3")

bg5=circle(r=125,stroke="none",fill="white")

bg4=circle(r=100, stroke="none",fill="#21C4D3")

bg3=circle(r=75, stroke="none",fill="White")

bg2=circle(r=50, stroke="none",fill="#21C4D3")

bg1=circle(r=25, stroke="none",fill="white")

show(bg8,bg7,bg6,bg5,bg4,bg3,bg2,bg1)