diff --git a/Week03/sequences_ikranur_kara.py b/Week03/sequences_ikranur_kara.py
new file mode 100644
index 00000000..048f5a0c
--- /dev/null
+++ b/Week03/sequences_ikranur_kara.py
@@ -0,0 +1,17 @@
+def remove_duplicates(seq: list) -> list:
+    res = []
+    for item in seq:
+        if item not in res:
+            res.append(item)
+    return res
+
+
+def list_counts(seq: list) -> dict:
+    counts = {}
+    for item in seq:
+        counts[item] = counts.get(item, 0) + 1
+    return counts
+
+
+def reverse_dict(d: dict) -> dict:
+    return {v: k for k, v in d.items()}