added stuff

solid/open_close/example.py

@@ -0,0 +1,22 @@
+class User:
+
+    def __init__(self, email, company):
+        self.email = email
+        self.company = company
+
+    def get_user_id(self) -> str:
+        return self.email + "/" + self.company
+
+
+class MockUser(User):
+
+    def get_user_id(self) -> str:
+        return self.email
+
+    def get_real_name(self):
+        return "andre"
+
+
+def pretty_print_user(user: User):
+    email, company = user.get_user_id().split("/")
+