diff --git a/Week03/weighted_sila_atasli.py b/Week03/weighted_sila_atasli.py
new file mode 100644
index 0000000..165c527
--- /dev/null
+++ b/Week03/weighted_sila_atasli.py
@@ -0,0 +1,8 @@
+import random
+
+def weighted_srs(data, n, weights=None, with_replacement = False):
+    if weights is not None:
+         return random.choices(data, k=n, weights=weights)
+    if with_replacement: 
+         return random.choices(data, k=n)
+        return random.sample(data, n)