Fix end

Hangman-bot.py

@@ -64,9 +64,13 @@ def best_letter(word_resolve):
     sorted_letters = sorted(
         letters.items(), key=operator.itemgetter(1), reverse=True
         )
-
     # Best letter 
+    if len(sorted_letters) > 0:
         return sorted_letters[0][0]
+    else:
+        end = True
+        print('No more possibilities')
+        return None
 
 # End Functions
 
@@ -98,6 +102,7 @@ print('')
 while play:
     # Get best letter
     best_option = best_letter(word_resolve)
+    if best_option:
         # The guard not to give it back
         letters_used.append(best_option)
         print_words()
@@ -122,10 +127,9 @@ while play:
                 word_resolve[int(pos) - 1] = best_option
 
     # Game over
-    end = True
-    for letter in word_resolve:
-        if letter != '_':
         end = False
+        if not '_' in word_resolve:
+            end = True
     if end:
         play = False
         print('Game over :)')