@@ -49,7 +49,14 @@ def sort(_list):
 return merge(a, b)
 
 def sort_iter(_list):
-pass
+"""
+Function to sort an array
+using merge sort algorithm, iteratively
+
+:param _list: list of values to sort
+:return: sorted
+"""
+pass
 
 # TODO: Are these necessary?
 def time_complexities():