diff --git a/Week03/sequences_basak_kocan.py b/Week03/sequences_basak_kocan.py
new file mode 100644
index 00000000..a5518823
--- /dev/null
+++ b/Week03/sequences_basak_kocan.py
@@ -0,0 +1,24 @@
+def remove_duplicates(seq: list) -> list:
+    a_list = list(set(seq))
+    for i in range(len(a_list)):
+        for j in range(i + 1, len(a_list)):
+            if a_list[i] == a_list[j]:
+                a_list.pop(j)
+    return a_list
+
+def list_counts(seq: list) -> dict:
+    b_list = list(set(seq))
+    b_dict = {}
+    for i in range(len(b_list)):
+        count = 0
+        for j in range(len(seq)):
+            if b_list[i] == seq[j]:
+                count += 1
+        b_dict[b_list[i]] = count
+    return b_dict
+
+def reverse_dict(d: dict) -> dict:
+    c_dict = {}
+    for key, value in d.items():
+        c_dict[value] = key
+    return c_dict