code: def setText(self, label, default='', description='Set Text', format='text'):
          
  
          obj = self.load(label)
          if obj == None:
              obj=default
              self.save(obj, label)  # initialize with default
  
          textw = Text(value=obj, description=description)
          hndl = interact(self.save, obj=textw, label=fixed(label), format=fixed(format))
docs: Set text in a notebook pipeline (via interaction or with nbconvert)