'u'

app.py

@@ -11,7 +11,7 @@ def register_user(username, password, name, age):
     global users_db
     if username in users_db:
         return False
-    users_db[username] = {'password': password, 'name': name, 'age': age}
+    # users_db[username] = {'password': password, 'name': name, 'age': age}
     return True
 
 def login_user(username, password):