PCAP-31-03 4.4 Discover the Class Structure PCAP-31 Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   If a class is defined in a file named 'shapes.py' and imported into another script, what does the __module__ property of that class return?

   • A'shapes.py'
   • B'__main__'
   • CThe full file path to 'shapes.py'
   • D'shapes'
   Reveal Solution Discussion Select an answer first
2. 12foundation · easy

   Given the code below, what is the output? class Base: def greet(self): return 'Hello' class Derived(Base): pass print(hasattr(Derived, 'greet'))

   • ANone
   • BFalse
   • CAttributeError
   • DTrue
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4. 13foundation · easy

   Given the code below, what is the output? class A: pass class B(A): pass class C(B): pass print(C.__bases__)

   • A(<class '__main__.A'>,)
   • B(<class '__main__.A'>, <class '__main__.B'>)
   • C()
   • D(<class '__main__.B'>,)
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5. 14application · medium

   A developer is analyzing a class hierarchy and needs to know if a class directly inherits from a specific base class, not through an intermediate. They have the class object and the base class object. Which check correctly determines this?

   • ABaseClass in cls.__mro__
   • BBaseClass in cls.__bases__
   • Chasattr(cls, BaseClass.__name__)
   • Dcls.__name__ == BaseClass.__name__
   Reveal Solution Discussion Select an answer first
6. 15application · easy

   A logging utility needs to record the class name of an object being processed. The object could be an instance of any class. Which expression correctly retrieves the class name as a string?

   • Aobj.__class__.__name__
   • Bobj.__name__
   • Cobj.__class__.__bases__
   • Dtype(obj).__module__
   Reveal Solution Discussion Select an answer first