code: def copy_value(self, orig_name, new_name):
          
          code = u"get_ipython().kernel.copy_value('%s', '%s')" % (orig_name,
                                                                   new_name)
          if self._reading:
              self.kernel_client.input(u'!' + code)
          else:
              self.silent_execute(code)
docs: Copy a variable