ddffx · September 4, 2017 03:36 · Sep 4, 2017
diff --git a/gc-foobar-l1-pld.py b/gc-foobar-l1-pld.py
@@ -0,0 +1,7 @@
+def answer(x, y):
+  return (set(x).symmetric_difference(y)).pop()
+
+a = [1,2,3,4];
+b= [1,2,3,6,4];
+
+print(answer(b,a));