code: def format_t_into_dhms_format(timestamp):
      
      mins, timestamp = divmod(timestamp, 60)
      hour, mins = divmod(mins, 60)
      day, hour = divmod(hour, 24)
      return '%sd %sh %sm %ss' % (day, hour, mins, timestamp)
docs: Convert an amount of second into day, hour, min and sec
  
      :param timestamp: seconds
      :type timestamp: int
      :return: 'Ad Bh Cm Ds'
      :rtype: str
  
      >>> format_t_into_dhms_format(456189)
      '5d 6h 43m 9s'
  
      >>> format_t_into_dhms_format(3600)
      '0d 1h 0m 0s'