Update file merge_sort.py

tp9/merge_sort.py

@@ -193,9 +193,7 @@ def merge(l1: ApLst, l2: ApLst,
             for k in range(1, len(h)+1):
                 l1 = ApLst(h[-k], l1)
             l2 = l2.tail()
-    return l1
-                
-list_to_native(merge(native_to_list([1, 3, 4, 9]), native_to_list([1, 2, 5])))                    
+    return l1                  
 
 
 def mergesort(l: ApLst, comp: Callable[[T, T], int]=compare) -> ApLst: