code: def _prettify_dict(key):
      
      assert isinstance(key, dict)
  
      pretty_key = ''
      for key, value in key.items():
          if isinstance(value, dict):
              pretty_value = ''
              for k, v in value.items():
                  pretty_value += '{0}={1};'.format(k, v)
              value = pretty_value
          pretty_key += '{0:15}{1}\n'.format(key.title() + ':', value)
      return pretty_key
docs: Return a human readable format of a key (dict).
  
      Example:
  
      Description:   My Wonderful Key
      Uid:           a54d6de1-922a-4998-ad34-cb838646daaa
      Created_At:    2016-09-15T12:42:32
      Metadata:      owner=me;
      Modified_At:   2016-09-15T12:42:32
      Value:         secret_key=my_secret_key;access_key=my_access_key
      Name:          aws