3532.sagews

circle((1,1), 2)

a=circle((0,0),1, color=(0,1,0))

show(a, axes=false,aspect_ratio=1)

a=circle((0,0),1, color=(1,0,2), fill=True)
b=circle((0,0),2, color=(0,0,1))
show(a+b, aspect_ratio=1)

plot(x^3,x,-2,4)

x = var('x')
p1 = plot((e^(-0.5*x)*cos(2*pi*x)),(x,0,6),rgbcolor=hue(0.4))
p2 = plot((e^(-0.5*x)),(x,0,6),rgbcolor=hue(0.6))
show(p1+p2)