3526.sagews

circle((1,1), 2)

a = circle ((0,0), 1, rgbcolor=(2,1,0))
show(a, aspect_ratio=1)
show(a, aspect_ratio=1, axes=false)

a = circle((-1,1), 1, rgbcolor=(1,5,0), fill=True)
b = circle((1,-1), 1, rgbcolor=(2,0,1))
show(a+b)

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

p1=plot(e^(-1/2*x)*cos(2*pi*x),(0,6),rgbcolor=(1,1,0)) 
p2=plot(e^(-1/2*x),(0,6),rgbcolor=(0,1,2))
show(p1+p2)