From dc492dc978765aaf4b5301925eba21af49d8acea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Elif=20Yalva=C3=A7?=
 <59252046+elifyalvac@users.noreply.github.com>
Date: Tue, 18 Nov 2025 03:21:49 +0300
Subject: [PATCH 1/2] Add functions for removing duplicates and counting

---
 Week03/sequences_elif_yalvac.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 Week03/sequences_elif_yalvac.py

diff --git a/Week03/sequences_elif_yalvac.py b/Week03/sequences_elif_yalvac.py
new file mode 100644
index 00000000..63206908
--- /dev/null
+++ b/Week03/sequences_elif_yalvac.py
@@ -0,0 +1,15 @@
+def remove_duplicates(seq: list) -> list:
+    return list(dict.fromkeys(seq))
+
+
+def list_counts(seq: list) -> dict:
+    from collections import Counter
+    return dict(Counter(seq))
+
+
+def reverse_dict(d: dict) -> dict:
+    from collections import defaultdict
+    rev = defaultdict(list)
+    for k, v in d.items():
+        rev[v].append(k)
+    return dict(rev)

From 7f346928f9d1d832c737e85e72a223b19a060366 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Elif=20Yalva=C3=A7?=
 <59252046+elifyalvac@users.noreply.github.com>
Date: Tue, 18 Nov 2025 03:29:15 +0300
Subject: [PATCH 2/2] Change duplicate removal method to use set

---
 Week03/sequences_elif_yalvac.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Week03/sequences_elif_yalvac.py b/Week03/sequences_elif_yalvac.py
index 63206908..a0ec0a80 100644
--- a/Week03/sequences_elif_yalvac.py
+++ b/Week03/sequences_elif_yalvac.py
@@ -1,5 +1,5 @@
 def remove_duplicates(seq: list) -> list:
-    return list(dict.fromkeys(seq))
+    return list(set(seq))
 
 
 def list_counts(seq: list) -> dict: