TRY EXCEPT ERROR

try:
       lel = who.strip()[-3]
       lal = str(lel)
       lol = who.split(lal)[0]
       lal = int(lel)
       st = len(lol)
       whoo = who[st:-1]
      except ValueError:
       try:
        lel = who.strip()[-2]
        lal = str(lel)
        lol = who.split(lal)[0]
        lal = int(lel)
        st = len(lol)
        whoo = who[st:-1]
       except ValueError:
        lel = who.strip()[-1]
        lal = str(lel)
        lol = who.split(lal)[0]
        lal = int(lel)
        st = len(lol)
        whoo = who[st:-1]