code: def __visit_target(self, node):
      
  
      if isinstance(node, ast.Name) and isinstance(node.ctx, ast.Store):
        self.__add_variable(node.id)
      elif isinstance(node, (ast.Tuple, ast.List)):
        [self.__visit_target(x) for x in node.elts]
docs: Call this method to visit assignment targets and to add local variables
      to the current stack frame. Used in #visit_Assign() and
      #__visit_comprehension().