unitcircle = circle((0,0),1)
firstpoint = point((cos(2*pi/10), sin(2*pi/10)), color='red',size=50)
(unitcircle+firstpoint).show(figsize=3)
movingpoints = [unitcircle+point((cos(2*k*pi/10), sin(2*k*pi/10)), \
   color='red', size=50) for k in range(1,11)]
a = animate(movingpoints,xmin=-2,xmax=2,ymin=-2,ymax=2)
a.show()