Practice File Context Manager (13.5.3) - File Handling - Advanced Programming

Practice: File Context Manager

Lesson 13.5.3File Handling

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8 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What keyword is used in Python to create a context manager for file handling?
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Think about managing resources automatically.
Question 2.
What happens if an exception occurs in a context block?
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Consider how exceptions are handled in clean coding practices.
3Question 3.
What does the with statement ensure when opening a file?
- The file is opened in read-only mode
- The file will be closed automatically
- The file can only be written to
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Think about resource management.
4Question 4.
True or False: A context manager can help prevent memory leaks.
- True
- False
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Consider what happens when resources are not managed properly.
Question 5.
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.
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Remember to use the context manager for file operations.
Question 6.
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.
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Utilize 'with' for safe file writing.

4 more questions in this section. Enroll free to practise them all.