4 - Context Managers and the with Statement
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Practice Questions
Test your understanding with targeted questions
What does __enter__ do in a context manager?
💡 Hint: Think about what happens before the block of code begins.
How do context managers prevent resource leaks?
💡 Hint: Consider what happens with the `with` statement.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of the 'with' statement?
💡 Hint: Think about what needs to be controlled in resource management.
True or False: A context manager must implement the init method.
💡 Hint: Which methods are actually needed for a context manager?
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Challenge Problems
Push your limits with advanced challenges
Create a context manager that connects to a database, executes a query, and ensures the connection is closed regardless of success or failure.
💡 Hint: Use a database library like sqlite3 for your implementation.
Implement a nested context manager example, where one context manager handles file operations and another manages a database connection simultaneously.
💡 Hint: Think about how to use 'with' effectively for multiple resources.
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