diff --git a/Week01/info_melisanur_hamamci.py b/Week01/info_melisanur_hamamci.py
new file mode 100644
index 00000000..da5ee06a
--- /dev/null
+++ b/Week01/info_melisanur_hamamci.py
@@ -0,0 +1,2 @@
+student_id = "230315061"
+full_name = "Melisa Nur Hamamcı"
diff --git a/Week02/weighted_melisanur_hamamci.py b/Week02/weighted_melisanur_hamamci.py
new file mode 100644
index 00000000..c0d85d7a
--- /dev/null
+++ b/Week02/weighted_melisanur_hamamci.py
@@ -0,0 +1,6 @@
+import random
+def weighted_srs(data, n, weights, with_replacement=False):
+    if with_replacement or weights:
+        return random.choices(data, weights=weights, k=n)
+    else:
+        return random.sample(data,n)