🧠 Python Quiz: Python design patterns: singleton, factory, observer | Can You Get It Right?

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🧠 QUIZ: PYTHON DESIGN PATTERNS: SINGLETON, FACTORY, OBSERVER
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📚 Based on our last concept post:
Python design patterns: singleton, factory, observer

✏️ Drop your answer (A / B / C / D) in the comments BEFORE scrolling!

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❓ QUESTION
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A game developer is building a system where multiple AI opponents need to react to the player's score changing. Each opponent should independently update its strategy based on the new score. Which design pattern is most suitable for this scenario in Python, allowing the score manager to notify all opponents without direct knowledge of each opponent's internal logic?

A) Singleton: To ensure only one instance of the score manager exists.
B) Factory: To create different types of AI opponents.
C) Observer: To allow the score manager (subject) to broadcast score changes to multiple AI opponents (observers).
D) Decorator: To dynamically add new behaviors to existing AI opponent classes.

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✅ ANSWER
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Correct answer: C

💡 EXPLANATION
The Observer pattern is designed for scenarios where one object (the subject, in this case, the score manager) needs to notify multiple other objects (observers, the AI opponents) about state changes without being tightly coupled to them. The AI opponents can subscribe to score updates and react accordingly. The Singleton pattern is for ensuring a single instance, the Factory pattern is for object creation, and the Decorator pattern is for adding behavior dynamically, none of which directly address the core problem of broadcasting state changes to multiple dependent objects.

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Видео 🧠 Python Quiz: Python design patterns: singleton, factory, observer | Can You Get It Right? канала wong's learning