diff --git a/Week01/info_caner_gundas.py b/Week01/info_caner_gundas.py
new file mode 100644
index 00000000..25f3c08f
--- /dev/null
+++ b/Week01/info_caner_gundas.py
@@ -0,0 +1,2 @@
+student_id = "230316044"
+full_name = "Caner Gündaş"
diff --git a/Week02/weighted_caner_gundas.py b/Week02/weighted_caner_gundas.py
new file mode 100644
index 00000000..d347ee55
--- /dev/null
+++ b/Week02/weighted_caner_gundas.py
@@ -0,0 +1,12 @@
+import random
+
+
+
+def weighted_srs(data, n, weights, with_replacement):
+    if with_replacement: return random.choices(data, weights=weights, k=n)
+    res, d, w = [], list(data), list(weights)
+    for _ in range(n):
+        idx = random.choices(range(len(d)), weights=w)[0]
+        res.append(d.pop(idx))
+        w.pop(idx)
+    return res