3542.sagews

circle((0,0), 1, rgbcolor=(0,0,1))

c = c=circle((0,0),1,rgbcolor=(0,1,0))
c.show(aspect_ratio=1,axes=false)

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

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

p1 = plot(cos(2*pi*x)*e^(-1/2*x),(x,0,6),rgbcolor=hue(0.2))
p2 = plot(e^(-1/2*x),(x,0,6),rgbcolor=hue(0.4))
show(p1+p2)