From a85fc1450c6a8f9f026800e2537e74e234e9461c Mon Sep 17 00:00:00 2001
From: SEMAEROL <123257636+SEMAEROL@users.noreply.github.com>
Date: Tue, 31 Mar 2026 13:20:42 +0300
Subject: [PATCH] Add functions to manipulate lists and dictionaries

---
 Week03/sequences_sema_erol.py | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 Week03/sequences_sema_erol.py

diff --git a/Week03/sequences_sema_erol.py b/Week03/sequences_sema_erol.py
new file mode 100644
index 00000000..fea4d5f6
--- /dev/null
+++ b/Week03/sequences_sema_erol.py
@@ -0,0 +1,24 @@
+def remove_duplicates(seq: list) -> list:
+    """
+    This function removes duplicates from a list.
+    """
+    return list(dict.fromkeys(seq))  # sırayı korur
+
+
+def list_counts(seq: list) -> dict:
+    """
+    This function counts the number of
+    occurrences of each item in a list.
+    """
+    counts = {}
+    for item in seq:
+        counts[item] = counts.get(item, 0) + 1
+    return counts
+
+
+def reverse_dict(d: dict) -> dict:
+    """
+    This function reverses the keys
+    and values of a dictionary.
+    """
+    return {v: k for k, v in d.items()}