new_contents: import os
  
  list = []
  
  def download():
      global list
      for link in list:
          os.system("python zcrawler.py %s"%(link))
     
  
  while True:
      get = raw_input("Paste url here. 'q' to proceed crawling")
      if get == 'q':
          download()
          exit()
      else:
          list.append(get)
  
subject: Create downloader.py