diff --git a/Week02/weighted_efe_ozdemir.py b/Week02/weighted_efe_ozdemir.py
new file mode 100644
index 00000000..0d70bd32
--- /dev/null
+++ b/Week02/weighted_efe_ozdemir.py
@@ -0,0 +1,9 @@
+import random
+
+def weighted_srs(data, n, weights, with_replacement=False):
+    if with_replacement:
+        return random.choices(data, weights=weights, k=n)
+    elif weights is None:
+        return random.sample(data, n)
+    else:
+        return random.choices(data, weights=weights, k=n)