code: def add_method_drop_down(self, col_number, col_label):
          
          if self.data_type == 'ages':
              method_list = self.contribution.vocab.age_methods
          else:
              method_list = self.contribution.vocab.age_methods.copy()
              method_list.update(self.contribution.vocab.methods)
          self.choices[col_number] = (method_list, True)
docs: Add drop-down-menu options for magic_method_codes columns