code: def add(self, prodable: Prodable) -> None:
          
          if prodable.name in [p.name for p in self.prodables]:
              raise ProdableAlreadyAdded("Prodable {} already added.".
                                         format(prodable.name))
          self.prodables.append(prodable)
          if self.autoStart:
              prodable.start(self.loop)
docs: Add one Prodable object to this Looper's list of Prodables
  
          :param prodable: the Prodable object to add