new_contents: import urllib.request as req
  import time
  
  def saver(url, filename):
      return req.urlretrieve(url, filename)
  
  date = "20150507"
  ourl = "http://i.weather.com.cn/i/product/pic/l/sevp_aoc_rdcp_sldas_ebref_aswc_l88_pi_"
  
  for hh in range(10, 17):
      for mm in range(0, 6):
          time_stamp = (str(hh).rjust(2, "0") + str(mm).ljust(2, "0"))
          saver(ourl + date + time_stamp + "00001.gif", date + time_stamp + ".gif")
          time.sleep(5)
  
subject: Create Image_loader.py