#coding: utf-8def getchecknum(input): ##定義企業(yè)注冊碼校驗(yàn)碼計(jì)算函數(shù)  n = 10  for num in range(len(input)):    n = (int(input[num]) + n)%10    if n == 0:      n = 10    n = n*2%11  if n == 0:    s = 1  elif n== 1:    s = 0  else:    s = 11-n  return str(s) code = raw_input(u'請輸入該企業(yè)15位注冊碼:')while True:  try:    len(code) == 15    num = code[:14]    check_num = int(code[14])    if check_num == int(getchecknum(num)):      print u'恭喜你，注冊碼正確。'    else:      print u'請注意，該注冊碼錯(cuò)誤！！！'     break  except:    print u"請輸入正確的企業(yè)15位注冊碼"raw_input(u'按任意鍵退出')