13.5.3 - File Context Manager
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Practice Questions
Test your understanding with targeted questions
What keyword is used in Python to create a context manager for file handling?
💡 Hint: Think about managing resources automatically.
What happens if an exception occurs in a context block?
💡 Hint: Consider how exceptions are handled in clean coding practices.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the with statement ensure when opening a file?
💡 Hint: Think about resource management.
True or False: A context manager can help prevent memory leaks.
💡 Hint: Consider what happens when resources are not managed properly.
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Challenge Problems
Push your limits with advanced challenges
Create a context manager that reads from a file and counts the number of lines, returning that number. Make sure to handle exceptions where necessary.
💡 Hint: Remember to use the context manager for file operations.
Design a function that uses a context manager to write a list of strings to a file. If the file exists, overwrite it. Include error handling.
💡 Hint: Utilize 'with' for safe file writing.
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