diff --git a/shifted_sergen_maksutlar.py b/shifted_sergen_maksutlar.py
new file mode 100644
index 00000000..2ca63b8d
--- /dev/null
+++ b/shifted_sergen_maksutlar.py
@@ -0,0 +1,6 @@
+def shifted(data):
+    n = len(data)
+    s = sorted(data)
+    mean = sum(data) / n
+    median = (s[n//2 - 1] + s[n//2]) / 2 if n % 2 == 0 else s[n//2]
+    return abs(mean - median) / abs(mean) * 100 if mean else 0