code: def format_uptime(uptime_in_seconds):
      
  
      m, s = divmod(int(uptime_in_seconds), 60)
      h, m = divmod(m, 60)
      d, h = divmod(h, 24)
  
      uptime_values = []
  
      for value, unit in ((d, 'days'), (h, 'hours'), (m, 'min'), (s, 'sec')):
          if value == 0 and not uptime_values:
              # Don't include a value/unit if the unit isn't applicable to
              # the uptime. E.g. don't do 0 days 0 hours 1 min 30 sec.
              continue
          elif value == 1 and unit.endswith('s'):
              # Remove the "s" if the unit is singular.
              unit = unit[:-1]
          uptime_values.append('{0} {1}'.format(value, unit))
  
      uptime = ' '.join(uptime_values)
      return uptime
docs: Format number of seconds into human-readable string.
      :param uptime_in_seconds: The server uptime in seconds.
      :returns: A human-readable string representing the uptime.
      >>> uptime = format_uptime('56892')
      >>> print(uptime)
      15 hours 48 min 12 sec