doc = requests.get(url).text

url = 'http://www.ittf.com/ittf_ranking/WR_Table_3_A2.asp?Age_category_1=&Age_category_2=&Age_category_3=&Age_category_4=&Age_category_5=&Category=100W&Cont=&Country=&Gender=W&Month1=4&Year1=2015&s_Player_Name=&Formv_WR_Table_3_Page='+str(page)
doc = requests.get(url).text
soup = BeautifulSoup(doc)
atags = soup.find_all('a')
rank_link_pre = 'http://www.ittf.com/ittf_ranking/'

mlfile = open(linkfile,'a')
for atag in atags:
  #print atag
  if atag!=None and atag.get('href') != None:
    if "WR_Table_3_A2_Details.asp" in atag['href']:
      link = rank_link_pre + atag['href']
      links.append(link)
      mlfile.write(link+'\n')
      print 'fetch link: '+link
mlfile.close()