Which of the following statements about context managers are TRUE? A) They are only used with file operations, not other types of resources. B) Context managers help with resource... Which of the following statements about context managers are TRUE? A) They are only used with file operations, not other types of resources. B) Context managers help with resource allocation and release. C) They ensure resource cleanup even if errors occur. D) Context managers simplify file handling by managing file opening and closing.
Understand the Problem
The question is asking to identify which statements regarding context managers are true. It provides multiple options and seeks to evaluate understanding of the concept and functionality of context managers in programming.
Answer
B, C, and D
The true statements are B, C, and D.
Answer for screen readers
The true statements are B, C, and D.
More Information
Context managers in Python are designed to facilitate resource management, such as file handling or database connections, ensuring setup and teardown actions are handled efficiently. They help prevent resource leaks by ensuring cleanup even in the event of exceptions.
Tips
A common mistake is to assume that context managers are only used for file operations. In reality, they can manage various resources, including database connections and network sockets.
Sources
- Context Managers and Python's with Statement - Real Python - realpython.com
- Context Manager in Python - GeeksforGeeks - geeksforgeeks.org
- Explaining the concept of context managers in Python using the with ... - medium.com
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