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Code AnalysisIntermediate 60s

Fat interface / ISP violation

class Machine: def print(self, doc): ... def scan(self, doc): ... def fax(self, doc): ... def staple(self, doc): ... class SimplePrinter(Machine): def print(self, doc): ... def scan(self, doc): raise NotImplementedError def fax(self, doc): raise NotImplementedError def staple(self, doc): raise NotImplementedError Which principle is violated and what is the recommended refactor?

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