1 44
   2 hello
   3 3
   4 42
   5 56
   6 78
   7 chennai
   8 India
   9 foo = 44
  10 bar = hello
  11 44
  12 hello
  13 {"foo":44,"bar":"hello","arr":[42,56,78],"address":{"city":"chennai","country":"India"}}
  14 {"foo":44,"bar":"hello"}
  15 Success!