PCPP-32-101 2.1 Python Enhancement Proposals and Python Philosophy PCPP-32-1 Practice Questions (Page 1)

Questions 1–5

1. 1application · medium

   Your codebase has a function that is 120 characters long per line. Your team uses a linter configured to enforce PEP 8. What is the most appropriate action to take?

   • AIncrease the linter's max-line-length setting to 120.
   • BAdd a `# noqa` comment to suppress the warning.
   • CLeave the code as is because PEP 8 is only a guideline.
   • DRefactor the function to break long lines into multiple shorter lines.
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2. 2foundation · easy

   According to PEP 8, what is the recommended way to name a function in Python?

   • Alowercase_with_underscores
   • BALL_CAPS
   • CCapitalizedWords
   • DCamelCase
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4. 3application · medium

   A developer on your team is writing a script that processes user input. They are considering using a complex regex pattern to validate email addresses. A colleague suggests that 'Simple is better than complex' from PEP 20 applies here. What is the most appropriate interpretation of this aphorism in this context?

   • APrefer a simpler, more readable validation approach, such as splitting the email and checking for '@', over a complex regex.
   • BAvoid any validation because it adds complexity.
   • CUse the most complex regex possible to ensure all edge cases are handled.
   • DUse a third-party library for email validation because it is more complex.
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5. 4expert · hard

   You are designing a public API for a library. You want to ensure that users can easily access documentation for your functions. You are considering whether to use docstrings, comments, or external documentation. According to PEP 257, what is the most appropriate approach?

   • AUse docstrings for all public functions and classes, and generate external documentation from them.
   • BUse comments above each function instead of docstrings.
   • CWrite external documentation only, without docstrings.
   • DUse docstrings only for complex functions and comments for simple ones.
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6. 5foundation · easy

   Which aphorism from PEP 20 (The Zen of Python) emphasizes that simple solutions are preferable to complex ones?

   • AThere should be one obvious way to do it
   • BSimple is better than complex
   • CReadability counts
   • DBeautiful is better than ugly
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