code: def p_namespace(self, p):
          '''namespace : NAMESPACE namespace_scope IDENTIFIER'''
          p[0] = ast.Namespace(scope=p[2], name=p[3], lineno=p.lineno(1)f p_namespace(self, p):
          '''namespace : NAMESPACE namespace_scope IDENTIFIER'''
          p[0] = ast.Namespace(scope=p[2], name=p[3], lineno=p.lineno(1))
docs: namespace : NAMESPACE namespace_scope IDENTIFIER