code: def generic_visit(self, node):
          
          for _, value in ast.iter_fields(node):
              if isinstance(value, list):
                  self._handle_ast_list(value)
                  for item in value:
                      if isinstance(item, ast.AST):
                          self.visit(item)
              elif isinstance(value, ast.AST):
                  self.visit(value)
docs: Called if no explicit visitor function exists for a node.