PCAP-31-03 4.4 Discover the Class Structure PCAP-31 Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   What does the __name__ property of a class return?

   • AThe module in which the class is defined
   • BThe memory address of the class object
   • CA tuple of the class's base classes
   • DThe name of the class as a string
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2. 7foundation · easy

   What does the __bases__ property of a class return?

   • AA list of all ancestor classes
   • BThe name of the class's module
   • CThe name of the class itself
   • DA tuple of the class's direct base classes
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4. 8expert · hard

   A developer is working with a class hierarchy where a base class defines a class method 'process', and a derived class overrides it. The developer needs to verify that the derived class has the 'process' method, regardless of whether it is overridden or inherited. Which check correctly performs this?

   • Acallable(DerivedClass.process)
   • Bhasattr(DerivedClass, 'process')
   • C'process' in DerivedClass.__dict__
   • DDerivedClass.__bases__[0].__dict__['process']
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5. 9foundation · easy

   Which of the following is TRUE about using hasattr() on a class?

   • AIt returns True only for methods, not for class-level data attributes.
   • BIt raises an error if the class does not define the attribute.
   • CIt returns True for class attributes and methods, including those inherited from base classes.
   • DIt only checks attributes defined directly in the class, not inherited ones.
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6. 10foundation · easy

   Which of the following is an example of introspection in Python?

   • AUsing the import statement to load a module
   • BUsing the len() function to get the length of a list
   • CUsing the print() function to display a variable's value
   • DUsing the type() function to determine the class of an object
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