interview details for Perl/ Unix developer @ deutsche bank

Recently I had interview @ Deutsche bank for perl developer.

I would like to share , though most of the question where pretty basic , few added my learning. :)

Perl problem of the ziprecuiter while submitting the application

Recently I had chance to apply for the zip reciter (USA base startup.)
While application you are asked to resolve a problem in perl or Phython.


Here the description of the problem



Though when I submitted the application , I did not thought and made used of JSON module.
But I think , It can be solved too without module , as it an ref to array.