From c801a5629caacf1888f478403e214fed44110c0e Mon Sep 17 00:00:00 2001
From: Emir Karaduman <220315028@ogr.cbu.edu.tr>
Date: Thu, 8 Jan 2026 23:07:04 +0300
Subject: [PATCH] emails_emir_karaduman

---
 Week05/emir_karaduman_emails | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 Week05/emir_karaduman_emails

diff --git a/Week05/emir_karaduman_emails b/Week05/emir_karaduman_emails
new file mode 100644
index 00000000..3d2cc101
--- /dev/null
+++ b/Week05/emir_karaduman_emails
@@ -0,0 +1,31 @@
+import re
+
+class Emails(list):
+    def __init__(self, emails):
+        self.validate(emails)
+
+        unique = []
+        for e in emails:
+            e = e.strip()
+            if e not in unique:
+                unique.append(e)
+
+        super().__init__(unique)
+        self.data = unique
+
+    @staticmethod
+    def validate(emails):
+        if not all(isinstance(e, str) for e in emails):
+            raise ValueError("All items must be strings")
+
+        pattern = re.compile(r"^[^@]+@[^@]+\.[^@]+$")
+
+        for e in emails:
+            if not pattern.match(e.strip()):
+                raise ValueError("Invalid email address")
+
+    def __repr__(self):
+        return f"Emails({list(self.data)!r})"
+
+    def __str__(self):
+        return ", ".join(self.data)