Add EmailList class for email validation

Week05/emails_sergen_maksutlar.py

@@ -0,0 +1,32 @@
+class EmailList(list):
+
+    def __init__(self, emails=None):
+        super().__init__()
+        self.data = self
+
+        if emails:
+            self.check_emails(emails)
+
+    def check_emails(self, email_list):
+
+        for email in email_list:
+
+            if not isinstance(email, str):
+                raise ValueError("Only string values are allowed")
+
+            if "@" not in email:
+                raise ValueError("Email address is not valid")
+
+            domain = email.split("@", 1)[1]
+
+            if "." not in domain:
+                raise ValueError("Email address is not valid")
+
+            if email not in self:
+                self.append(email)
+
+    def __repr__(self):
+        return f"EmailList({list.__repr__(self)})"
+
+    def __str__(self):
+        return list.__str__(self)