Can an abstract class be a child class of another abstract class?单项选择题

A

Yes, as long as the child class provides an implementation of all abstract methods of the parent.

B

Yes

C

Yes, but only when the parent class does not contain any abstract methods.

D

No

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from abc import ABC, abstractmethod class DataProcessor(ABC): def __init__(self, data): self.data = data @abstractmethod def clean(self): pass def process(self): cleaned_data = self.clean() return sum(cleaned_data) class ListProcessor(DataProcessor): def clean(self): cleaned = [] for x in self.data: if isinstance(x, (int, float)): cleaned.append(x) return cleaned class AveragingProcessor(ListProcessor): def process(self): cleaned = self.clean() return sum(cleaned) / len(cleaned) dp = ListProcessor([1, 2, "a", 3]) ap = AveragingProcessor([10, None, 20, 30, "skip"]) print(dp.process()) print(ap.process()) What will happen when the above code is executed? Select all correct statements. Incorrect selections will deduct points from your score.

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