code: def create_cell_renderer_text(self, tree_view, title="title", assign=0, editable=False):
          
          renderer = Gtk.CellRendererText()
          renderer.set_property('editable', editable)
          column = Gtk.TreeViewColumn(title, renderer, text=assign)
          tree_view.append_column(column)
docs: Function creates a CellRendererText with title