isogram: added parameter to template question

Jan Kaifer · Jan Kaifer · commit 07233a67d5d8 · 2017-08-11T18:53:42.000+02:00
I added parameter string to template question
diff --git a/exercises/isogram/isogram.py b/exercises/isogram/isogram.py
@@ -1,2 +1,2 @@
-def is_isogram():
+def is_isogram(string):
     pass
