diff --git a/Week05/emails_ikranur_kara.py b/Week05/emails_ikranur_kara.py
new file mode 100644
index 000000000..0621eb926
--- /dev/null
+++ b/Week05/emails_ikranur_kara.py
@@ -0,0 +1,34 @@
+import re
+
+class Emails(list):
+    def __init__(self, email_list=None):
+        if email_list is None:
+            email_list = []
+        
+        valid_emails = []
+        for email in email_list:
+            self.validate(email)
+            if email not in valid_emails:
+                valid_emails.append(email)
+                
+        super().__init__(valid_emails)
+
+    @staticmethod
+    def validate(email):
+        if not isinstance(email, str):
+            raise ValueError("Email must be a string.")
+        
+        # Basit e-posta doğrulama: kullanıcı_adı@domain.uzantı
+        pattern = r"^[^@]+@[^@]+\.[^@]+$"
+        if not re.match(pattern, email):
+            raise ValueError(f"Invalid email address: {email}")
+
+    @property
+    def data(self):
+        return list(self)
+
+    def __repr__(self):
+        return f"Emails({super().__repr__()})"
+
+    def __str__(self):
+        return f"Emails: {super().__str__()}"