code: def timestamp_with_timezone(dt=None):
      
      dt = dt or datetime.now()
      if timezone is None:
          return dt.strftime('%Y-%m-%d %H:%M%z')
      if not dt.tzinfo:
          tz = timezone.get_current_timezone()
          if not tz:
              tz = timezone.utc
          dt = dt.replace(tzinfo=timezone.get_current_timezone())
      return dt.strftime("%Y-%m-%d %H:%M%z")
docs: Return a timestamp with a timezone for the configured locale.  If all else
      fails, consider localtime to be UTC.