diff --git a/Week05/muhammet.guldn@gmail.com_muhammet_gulden.py b/Week05/muhammet.guldn@gmail.com_muhammet_gulden.py
new file mode 100644
index 00000000..ae8f08ea
--- /dev/null
+++ b/Week05/muhammet.guldn@gmail.com_muhammet_gulden.py
@@ -0,0 +1,35 @@
+# emails_isim_soyisim.py
+import re
+
+class Emails(list):
+    def __init__(self, email_list):
+        self.validate(email_list)
+        
+        unique_emails = []
+        for email in email_list:
+            if email not in unique_emails:
+                unique_emails.append(email)
+        
+        self.data = unique_emails
+        
+        super().__init__(unique_emails)
+    
+    def validate(self, email_list):
+        """Email listesini validate eder"""
+        for email in email_list:
+            if not isinstance(email, str):
+                raise ValueError(f"{email} is not a string")
+            
+            if '@' not in email or '.' not in email:
+                raise ValueError(f"{email} is not a valid email address")
+            
+            if email.index('@') > email.rindex('.'):
+                raise ValueError(f"{email} is not a valid email address")
+    
+    def __repr__(self):
+        """repr() fonksiyonu için"""
+        return f"Emails({self.data})"
+    
+    def __str__(self):
+        """print() için"""
+        return f"Emails({self.data})"