def visit_List(self, node: ast.List) -> Value:
    elts = [self.visit(elt) for elt in node.elts]
    return SequenceIncompleteValue(list, elts)
def visit_List(self, node: ast.List) -> Value:
    elts = [self.visit(elt) for elt in node.elts]
    return SequenceIncompleteValue(list, elts)