docstr: rf_layers   :    rf_layers rf_layer_stmt
  |    rf_layer_stmt
docstr_tok: ["rf_layers",":","rf_layers","rf_layer_stmt","|","rf_layer_stmt"]
code: def p_rf_layers(self, p):
      """rf_layers   :    rf_layers rf_layer_stmt
      |    rf_layer_stmt
      """
      if len(p) == 3:
          p[1].append(p[2])
          p[0] = p[1]
      else:
          p[0] = [p[1]]
  
imports: from ply import yacc
  from .refine_graph import Token
label_desc: Use image node_id 5 for calling the RefineParser obj's underlying member method code with example usage: obj.p_rf_layers(p) without return types