Circle(height=70,width=70,color="red")
Circle(height=60,width=60,color="orange")
Circle(height=50,width=50,color="yellow")
Circle(height=40,width=40,color="green")
Circle(height=30,width=30,color="blue")
Circle(height=20,width=20,color="purple")
Circle(height=10,width=10,color="magenta")