code: def My_TreeTable(self, table, heads, heads2=None):
          ''' Define and display a table
              in which the values in first column form one or more trees.
          '''
          self.Define_TreeTable(heads, heads2)
          self.Display_TreeTable(tablef My_TreeTable(self, table, heads, heads2=None):
          ''' Define and display a table
              in which the values in first column form one or more trees.
          '''
          self.Define_TreeTable(heads, heads2)
          self.Display_TreeTable(table)
docs: Define and display a table
              in which the values in first column form one or more trees.