code: def p_namedblock(self, p):
          'namedblock : BEGIN COLON ID namedblock_statements END'
          p[0] = Block(p[4], p[3], lineno=p.lineno(1))
          p.set_lineno(0, p.lineno(1)f p_namedblock(self, p):
          'namedblock : BEGIN COLON ID namedblock_statements END'
          p[0] = Block(p[4], p[3], lineno=p.lineno(1))
          p.set_lineno(0, p.lineno(1))
docs: namedblock : BEGIN COLON ID namedblock_statements END