diff --git a/Week03/sequences_alp_ozdemir.py b/Week03/sequences_alp_ozdemir.py
new file mode 100644
index 00000000..5c147f33
--- /dev/null
+++ b/Week03/sequences_alp_ozdemir.py
@@ -0,0 +1,18 @@
+def remove_duplicates(seq: list) -> list:
+    uniq_list = []
+    for i in seq:
+        if i not in uniq_list:
+            uniq_list.append(i)
+    return uniq_list
+        
+def list_counts(seq : list) -> dict:
+    counts = {}
+    for i in seq:
+        counts[i] = counts.get(i, 0) + 1
+    return counts
+
+def reverse_dict(d: dict) -> dict:     
+    res = {}
+    for k ,v in d.items():
+        res[v] = k
+    return res