Merge pull request AllenDowney#43 from marked/master

AllenDowney · web-flow · commit 2079c5e18dbf · 2018-11-23T10:27:41.000-05:00
cartalk1.py patch to add backtracking
diff --git a/code/cartalk1.py b/code/cartalk1.py
@@ -28,8 +28,8 @@ def is_triple_double(word):
                 return True
             i = i + 2
         else:
+            i = i + 1 - 2*count
             count = 0
-            i = i + 1
     return False
 
 
