code: def formatedTime(ms):
      
  
      if ms:
          s = ms / 1000.0
          m, s = divmod(s, 60)
          h, m = divmod(m, 60)
          d, h = divmod(h, 24)
          out = ''
          if d:
              out += '%gd ' % d
          if h:
              out += '%gh ' % h
          if m:
              out += '%gm ' % m
          if s:
              out += '%gs ' % s
          return out[:-1]
      return ''
docs: convert milliseconds in a human readable time
  
      >>> formatedTime(60e3)
      '1m'
      >>> formatedTime(1000e3)
      '16m 40s'
      >>> formatedTime(200000123)
      '2d 7h 33m 20.123s'