code: def p_ArrayLiteralContentList(p):
      '''
      ArrayLiteralContentList : ArrayLiteralContent
                              | ArrayLiteralContentList COMMA ArrayLiteralContent
      '''
      if len(p) < 3:
          p[0] = ArrayLiteralContentList(None, p[1])
      else:
          p[0] = ArrayLiteralContentList(p[1], p[3]f p_ArrayLiteralContentList(p):
      '''
      ArrayLiteralContentList : ArrayLiteralContent
                              | ArrayLiteralContentList COMMA ArrayLiteralContent
      '''
      if len(p) < 3:
          p[0] = ArrayLiteralContentList(None, p[1])
      else:
          p[0] = ArrayLiteralContentList(p[1], p[3])
docs: ArrayLiteralContentList : ArrayLiteralContent
                              | ArrayLiteralContentList COMMA ArrayLiteralContent