Select the true statements related to PEP 8 programming recommendations for exception handling. (Choose two.)

The correct answer is C. You should generally limit the use of a "bare" except: clause and, whenever possible, use D. You should derive exceptions from the Exception class, rather than from the BaseException. PEP 8 advises avoiding bare except: clauses because they catch all exceptions, including system-exiting ones, which can make debugging and program interruption harder. Custom exceptions should inherit from Exception instead of BaseException to avoid catching system-exiting…

PEP and Best Practices

Question

Options

AYou should generally use "bare" except: classes, as they will not catch SystemExit and
BWhen designing exception hierarchies, you should focus on stating that a problem occurred, rather
CYou should generally limit the use of a "bare" except: clause and, whenever possible, use
DYou should derive exceptions from the Exception class, rather than from the BaseException

How the community answered

(65 responses)

A
8% (5)
B
5% (3)
C
88% (57)

Explanation

PEP 8 advises avoiding bare except: clauses because they catch all exceptions, including system-exiting ones, which can make debugging and program interruption harder. Custom exceptions should inherit from Exception instead of BaseException to avoid catching system-exiting exceptions like SystemExit and KeyboardInterrupt.

Topics

#PEP 8#exception handling#bare except#BaseException

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