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Exam PCPP-32-101 topic 1 question 7 discussion

Actual exam question from Python Institute's PCPP-32-101
Question #: 7
Topic #: 1
[All PCPP-32-101 Questions]

Analyze the following snippet and decide whether the code is correct and/or which method should be distinguished as a class method.

  • A. There is only one initializer, so there is no need for a class method
  • B. The getNumberOfCrosswords() method Should be decorated with @classmethod
  • C. The code is erroneous
  • D. The getNumberOfCrosswords() and isSolved methods should be decorated with @classmethod
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Suggested Answer: B 🗳️
by pgcool at Feb. 6, 2024, 7:40 p.m.

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pgcool
2 months, 3 weeks ago
The isElementCorrect method is decorated as a @staticmethod but incorrectly tries to call self.isSolved(), which is an instance method. Static methods do not have access to self because they do not require an instance of the class to be called. They work at the class level, not the instance level. C. The code is erroneous.
upvoted 2 times
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