Fix reassignment error

Author: BrianY315

Sprint-2/2-mandatory-errors/1.js

@@ -1,4 +1,6 @@
 // trying to create an age variable and then reassign the value by 1
 
-const age = 33;
+let age = 33;
+// Use let instead of const so the value can be reassigned.
 age = age + 1;
+console.log(age);