✨ Magic #09: contextlib decorators

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Task

📝 **Task:** Use `@contextmanager` to build a `timer()` that prints 'start' then 'end'.

📋 Implement the function above. Tests run automatically.

💡 **Hint:** Re-read the theory if stuck.

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🎨mission

🏆 Magic Capstone: tiny ORM with descriptors + metaclass

🎨fix

🕵️ Case 02: The Mutable Default Argument

🎨fix

🕵️ Case 03: The Floating-Point Money Heist

🤖predictFREE

Prerequisites — what you should know before this track

⚡predictFREE

Prerequisites — what you should know before this track

✏️ Write your code here

🐍

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📊 Result

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💬 Discussion