diff --git a/Week03/shifted_omer_kayaalp.py b/Week03/shifted_omer_kayaalp.py
new file mode 100644
index 00000000..43629a2c
--- /dev/null
+++ b/Week03/shifted_omer_kayaalp.py
@@ -0,0 +1,6 @@
+def shifted(data):
+    mean = sum(data) / len(data)
+    s = sorted(data)  
+    n = len(s)  
+    median = (s[n//2] + s[(n-1)//2]) / 2 
+    return abs((mean - median) / mean) * 100