diff --git a/Week03/weighted_gulfem_solak.py b/Week03/weighted_gulfem_solak.py
new file mode 100644
index 0000000..0b6def1
--- /dev/null
+++ b/Week03/weighted_gulfem_solak.py
@@ -0,0 +1,8 @@
+import random
+
+def weighted_srs(data,n,weights,with_replacement=True):
+    if with_replacement:
+        return random.choices(data,k=n,weights=weights)
+    else:
+        return random.sample(data, n)
+