12nd doesn't sound like a number to me Kappa

setting last was over complicated
if _get_suffix received 11, 12, or 13 it would return st, nd, and rd respectively. We read it eleventh not elvenirst <3

imgwelcome/imgwelcome.py

@@ -169,7 +169,9 @@ class ImgWelcome:
 
     def _get_suffix(self, num):
         num = str(num)
-        last = num[len(num)-1:len(num)]
+        last = num[-1)]
+        if num[-2] == "1":
+          return "th"
         if last == "1":
             return "st"
         elif last == "2":