From bed099db70a04ff8b8351bda2b4c669460d90845 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gamze=20K=C4=B1l=C4=B1n=C3=A7?=
 <149265010+gamzeklnc@users.noreply.github.com>
Date: Mon, 5 Jan 2026 13:47:35 +0300
Subject: [PATCH] Create Emails class with validation and uniqueness

Implement Emails class for storing and validating email addresses.
---
 Week05/emails_gamze_kilinc.py | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 Week05/emails_gamze_kilinc.py

diff --git a/Week05/emails_gamze_kilinc.py b/Week05/emails_gamze_kilinc.py
new file mode 100644
index 00000000..08c89959
--- /dev/null
+++ b/Week05/emails_gamze_kilinc.py
@@ -0,0 +1,33 @@
+import re
+
+
+class Emails(list):
+    """
+    A list subclass that stores and validates email addresses.
+    """
+
+    def __init__(self, data):
+        self.validate(data)
+        # remove duplicates
+        unique_emails = list(set(data))
+        super().__init__(unique_emails)
+        self.data = self  # testlerde .data kullanıldığı için
+
+    def validate(self, data):
+        # check all items are strings
+        for item in data:
+            if not isinstance(item, str):
+                raise ValueError("All items must be strings")
+
+        # email regex 
+        email_pattern = re.compile(r"^[^@]+@[^@]+\.[^@]+$")
+
+        for email in data:
+            if not email_pattern.match(email):
+                raise ValueError("Invalid email address")
+
+    def __repr__(self):
+        return f"{self.__class__.__name__}({list(self)})"
+
+    def __str__(self):
+        return ", ".join(self)