count done

recursive_count_th/count_th.py

@@ -3,8 +3,23 @@
 Your function should return a count of how many occurences of ***"th"*** occur within `word`. Case matters.
 Your function must utilize recursion. It cannot contain any loops.
 '''
+
 def count_th(word):
-
-    # TBC
-
-    pass
+    result = [0,0]
+    split = list(word)
+    if(len(split) > 2):
+        recursion_th(word,result);
+    elif(len(word) == 2):
+        if(word == 'th'):
+           result[1] = 1
+    return result[1]
+
+def recursion_th(word,result):
+    if(result[0]+1 != len(word)):
+        check = str(word[result[0]] + word[result[0]+1]);
+        if(check == 'th'):
+            result[1] += 1
+        result[0] += 1
+        recursion_th(word,result)
+    else:
+        return result