code: def swap(self):
          '''Swap stereo channels. If the input is not stereo, pairs of channels
          are swapped, and a possible odd last channel passed through.
  
          E.g., for seven channels, the output order will be 2, 1, 4, 3, 6, 5, 7.
  
          See Also
          ----------
          remix
  
          '''
          effect_args = ['swap']
          self.effects.extend(effect_args)
          self.effects_log.append('swap')
  
          return self swap(self):
          '''Swap stereo channels. If the input is not stereo, pairs of channels
          are swapped, and a possible odd last channel passed through.
  
          E.g., for seven channels, the output order will be 2, 1, 4, 3, 6, 5, 7.
  
          See Also
          ----------
          remix
  
          '''
          effect_args = ['swap']
          self.effects.extend(effect_args)
          self.effects_log.append('swap')
  
          return self
docs: Swap stereo channels. If the input is not stereo, pairs of channels
          are swapped, and a possible odd last channel passed through.
  
          E.g., for seven channels, the output order will be 2, 1, 4, 3, 6, 5, 7.
  
          See Also
          ----------
          remix