Printing object:
 attr = {TEST2} {
   str3 = TEST3
   int3 = 3
   exp3 = {TEST4} {
     str4 = TEST4
     int4 = 4
     exp4 = {TEST5} {
       str5 = TEST5
       int5 = 5
       attr5 = {TEST6} {
         str6 = TEST6
         int6 = 6
         attr6 = {TEST7} {
           str7 = TEST7
           int7 = 7
           attr7 = Void
         }
       }
     }
   }
 }
Printing object:
 attr = {TEST2} {
   str3 = TEST3_modified
   int3 = 10003
   exp3 = {TEST4} {
     str4 = TEST4_modified
     int4 = 10004
     exp4 = {TEST5} {
       str5 = TEST5_modified
       int5 = 10005
       attr5 = {TEST6} {
         str6 = TEST6_modified
         int6 = 10006
         attr6 = {TEST7} {
           str7 = TEST7_modified
           int7 = 10007
           attr7 = Void
         }
       }
     }
   }
 }
Execution completed