diff --git a/half_adjust.py b/half_adjust.py
new file mode 100644
index 0000000..c5cd57d
--- /dev/null
+++ b/half_adjust.py
@@ -0,0 +1,3 @@
+half_adjust = lambda n, u=0 : int(n * 10 ** u) / 10 ** u \
+                              if n * 10 ** u - int(n * 10 ** u) < 0.5 \
+                              else (int(n * 10 ** u) + 1) / 10 ** u
\ No newline at end of file