Classes and Objects in Python

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How can you access the attributes of an object in Python?

A) Using dot notation B) Using parentheses C) Using square brackets D) Using curly braces

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

How can you inherit a class in Python?

A) By creating a new class that is based on an existing class B) By using the inherits keyword C) By using the extends keyword D) By using the inherit method

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Answer & Solution

Answer: Option A

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What is method overriding in Python classes?

A) It allows a subclass to provide a specific implementation of a method that is already defined in its superclass B) A built-in function C) A specific data type D) A special variable

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Answer & Solution

Answer: Option A

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What is the purpose of the __str__ method in Python classes?

A) It returns a string representation of an object B) It converts an object to a string C) It defines a string attribute D) It removes an attribute

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Answer & Solution

Answer: Option A

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What is the purpose of the __del__ method in Python classes?

A) It is called when an object is about to be destroyed B) It deletes an object C) It defines a destructor D) It is a constructor

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Answer & Solution

Answer: Option A

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Which function is called when the following Python code is executed?

f = foo()
format(f)

A) format() B) __format__() C) str() D) __str__()

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Answer & Solution

Answer: Option D

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Which operator is overloaded by __invert__()?

A) ! B) ~ C) ^ D) -

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Answer & Solution

Answer: Option B

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Which operator is overloaded by __lg__()?

A) < B) > C) != D) none of the mentioned

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Answer & Solution

Answer: Option D

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Which operator is overloaded by the __or__() function?

A) || B) | C) // D) /

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Answer & Solution

Answer: Option B

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What is Instantiation in terms of OOP terminology?

A) Deleting an instance of class B) Modifying an instance of class C) Copying an instance of class D) Creating an instance of class

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Answer & Solution

Answer: Option D

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