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Python Programming - Inheritance

Exercise : Inheritance - General Questions
  • Inheritance - General Questions
91.
In Python, what is the purpose of the issubclass() function?
To check if an object is an instance of a class
To check if a class is a subclass of another class
To check if two classes have the same attributes
To check if an object has a specific attribute
Answer: Option
Explanation:
The issubclass() function is used to check if a class is a subclass of another class.
92.
Consider the following code: 
class Shape:
    def __init__(self, color):
        self.color = color

class Square(Shape):
    def __init__(self, color, side_length):
        super().__init__(color)
        self.side_length = side_length
What is the primary advantage of using super().__init__(color) in the Square class constructor?
To call the constructor of the Square class
To create a new instance of the Shape class
To initialize attributes of the Shape class in the Square class
To access superclass attributes directly
Answer: Option
Explanation:
super().__init__(color) is used to call the constructor of the superclass Shape and initialize the color attribute.
93.
In Python, what is the purpose of the @classmethod decorator?
To create a new instance of the class
To define a method that can be accessed like an attribute
To access class attributes directly
To define a method that takes the class as its first argument
Answer: Option
Explanation:
The @classmethod decorator is used to define a method that takes the class as its first argument, conventionally named cls.
94.
How does Python handle method resolution in the presence of diamond inheritance conflicts?
By automatically resolving conflicts using the first defined method
By raising an error and requiring explicit resolution using super()
By using the C3 linearization algorithm to determine method resolution order
Diamond inheritance conflicts are not allowed in Python
Answer: Option
Explanation:
Python uses the C3 linearization algorithm to determine the method resolution order in the presence of diamond inheritance conflicts.
95.
What is the purpose of the __call__() method in a Python class?
To create a new instance of the class
To define class attributes for the class
To customize the behavior when an instance of the class is called
To access superclass attributes directly
Answer: Option
Explanation:
The __call__() method in a class is used to customize the behavior when an instance of the class is called, allowing instances to be callable.
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