3517.sagews

circle((1,1),2)

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

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

r1=2 
r2=3
m1=(2,0) 
m2=(1,2) 
c1=circle(m1,r1,rgbcolor=(1,0,0),fill=true) 
c2=circle(m2,r2,rgbcolor=(0,0,1),fill=false) 
show(c1+c2, aspect_ratio=1)

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

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