title: How to delete points drawn by command "plt.plot(x,y)"
body: <p>I just want to  delete points drawed by command "plt.plot(x,y)" in python package matplotlib.Would you give me some specific commands                              </p>
  
  <pre><code>            x,y=self.forward(x,y,v,target1)
              print a
              print x,y
              plt.plot(x, y, '*')
  </code></pre>