diff --git a/Week03/sequences_ismailesat_uluoz.py b/Week03/sequences_ismailesat_uluoz.py
new file mode 100644
index 00000000..900b1a60
--- /dev/null
+++ b/Week03/sequences_ismailesat_uluoz.py
@@ -0,0 +1,23 @@
+def remove_duplicates(seq: list) -> list:
+    new_list = []
+    for item in seq:
+        if item not in new_list:
+            new_list.append(item)
+    return new_list
+
+
+def list_counts(seq: list) -> dict:
+    counts = {}
+    for item in seq:
+        if item not in counts:
+            counts[item] = 1
+        else:
+            counts[item] = counts[item] + 1
+    return counts
+
+
+def reverse_dict(d: dict) -> dict:
+    new_dict = {}
+    for key in d:
+        new_dict[d[key]] = key
+    return new_dict