Merge pull request TheAlgorithms#413 from coregameHD/master

minor improvement (readability) in Insertion Sort

Author: harshildarji

sorts/insertion_sort.py

@@ -30,9 +30,8 @@ def insertion_sort(collection):
     [-45, -5, -2]
     """
     for index in range(1, len(collection)):
-        while 0 < index and collection[index] < collection[index - 1]:
-            collection[index], collection[
-                index - 1] = collection[index - 1], collection[index]
+        while index > 0 and collection[index - 1] > collection[index]:
+            collection[index], collection[index - 1] = collection[index - 1], collection[index]
             index -= 1
 
     return collection