diff --git a/Week03/shifted_muhammet_birge.py b/Week03/shifted_muhammet_birge.py
new file mode 100644
index 00000000..4ffe5a1d
--- /dev/null
+++ b/Week03/shifted_muhammet_birge.py
@@ -0,0 +1,5 @@
+def shifted(data):
+    d = sorted(map(abs, data))
+    n = len(d)
+    avg, med = sum(d) / n, (d[n//2] + d[~(n//2)]) / 2
+    return int(abs(avg - med) / avg * 100)