What is a Django signal used for?
- A Sending push notifications
- B Allowing decoupled applications to react to events such as post_save
- C Logging HTTP requests
- D Managing sessions
Answer
Allowing decoupled applications to react to events such as post_save
Signals decouple senders from receivers, but they make control flow harder to follow. Explicit calls are often clearer where the code is under your control.





