diff --git a/Week03/shifted_yaren_ozankarali.py b/Week03/shifted_yaren_ozankarali.py
new file mode 100644
index 00000000..b163af2b
--- /dev/null
+++ b/Week03/shifted_yaren_ozankarali.py
@@ -0,0 +1,7 @@
+def shifted(data):
+    s = sorted(data)  # sort values for median calculation
+    n = len(s)
+    mean = sum(s) / n
+    median = (s[n//2] + s[(n-1)//2]) / 2  # works for even & odd lengths
+    shift = abs(mean - median) / abs(mean) * 100 if mean else 0
+    return min(shift, 100)  # limit extreme values