Static Scoping with Nested Subprograms Example from JavaScript function outer) ( function subl ) var x7; sub2); function sub2() {var y = x; z = y; } var x 3; var z subl (); 0; // outer Hidden variables -Ada allows access to hidden variables from ancestor scope to be madelvisible with selective references (e.g. outerx within sub1) . Class Exercise: What are the values of x and z on return from outer