title: how can I delet "None" in code output
body: <p>how can I delet "None" in code output .I don't want to appear 'None' in code output </p>
  
  <pre><code>&gt;&gt;class class1:
       name='civil'
       def printname(self,name):
           print self.name
           print name
  &gt;&gt;you=class1()
  &gt;&gt;you.mark=100
  &gt;&gt;print you.printname('shahram'),you.mark
  
    civil
    shahram
    None 100
  </code></pre>