code: def pp_obj(obj, out_path=None, indent=4, sort_keys=False, ensure_ascii=False, default=None):
      
      rt = anyjson.dumps(obj, sort_keys=sort_keys, indent=indent, ensure_ascii=ensure_ascii,
                         separators=(',', ': '), default=default, namedtuple_as_object=False)
      # unicode_available
      if out_path is None:
          return rt
      else:
          with open(out_path, 'w') as out:
              out.write(rt)
docs: pretty prints a (list tuple,  dict etc) object
  
      :useful:
          - when we want to avoid importing pprint if we have already imported json
          - when we want to pprint to file without breaking json compatibility