diff --git a/Week03/sequences_aygul_ozkeklik.py b/Week03/sequences_aygul_ozkeklik.py
new file mode 100644
index 00000000..666102c0
--- /dev/null
+++ b/Week03/sequences_aygul_ozkeklik.py
@@ -0,0 +1,8 @@
+def remove_duplicates(seq: list) -> list:
+    return list(dict.fromkeys(seq))
+
+def list_counts(seq: list) -> dict:
+    return {x: seq.count(x) for x in set(seq)}
+
+def reverse_dict(d: dict) -> dict:
+    return {v: k for k, v in d.items()}