Le Tang Phu Quy

Results 2 issues of Le Tang Phu Quy

![image](https://user-images.githubusercontent.com/42770385/132115618-aebdef95-df42-43fa-a741-2ba924466a9b.png) As you can see, y is in bracket closure, an inner scope. If I access y outside of the scope, this should get Compile Error.

![image](https://user-images.githubusercontent.com/42770385/132115682-f58912da-a184-4559-b5f2-78b2d4b307d4.png)