Add all the assignment code.

Signed-off-by: jmug <u.g.a.mariano@gmail.com>

hw5/oatprograms/run48.oat

@@ -0,0 +1,11 @@
+global a = 1;
+
+int f() {
+  a = a + 1;
+  return a;
+}
+
+int program (int argc, string[] argv) {
+  var b = new int[f()]{i -> f()};
+  return a + b[0] + b[1]; 
+}