diff --git a/sorting and basics/binary_search.py b/sorting and basics/binary_search.py
index c849ad7..d9e0d15 100644
--- a/sorting and basics/binary_search.py	
+++ b/sorting and basics/binary_search.py	
@@ -32,5 +32,5 @@ def search(arr, item):
     return found
 
 
-print search([5, 4, 1, 6, 2, 3, 9, 7], 2)
-print search([5, 4, 1, 6, 2, 3, 9, 7], 8)
+print(search([5, 4, 1, 6, 2, 3, 9, 7], 2))
+print(search([5, 4, 1, 6, 2, 3, 9, 7], 8))
diff --git a/sorting and basics/sorting.py b/sorting and basics/sorting.py
index 9e19d4e..cc130fe 100644
--- a/sorting and basics/sorting.py	
+++ b/sorting and basics/sorting.py	
@@ -9,8 +9,8 @@ def mergesort(arr):
     """
     n = len(arr)
     if n <= 1: return arr
-    a1 = mergesort(arr[:n/2])
-    a2 = mergesort(arr[n/2:])
+    a1 = mergesort(arr[:n//2])
+    a2 = mergesort(arr[n//2:])
     return merge(a1, a2)
 
 def merge(arr_a, arr_b):