diff --git a/Week03/weighted_ardadeniz_kinikli.py b/Week03/weighted_ardadeniz_kinikli.py
new file mode 100644
index 0000000..5ae685a
--- /dev/null
+++ b/Week03/weighted_ardadeniz_kinikli.py
@@ -0,0 +1,8 @@
+import random 
+def weighted_srs(data,n,weights,with_replacement=False){
+    if with_replacement==True and weights != None:
+        simple_sample = random.choices(data,weights=weights, k=n)
+    else:
+        simple_sample = random.sample(data,n)
+    return simple_sample
+}