Python Class MCQs

Question 16: What will be the output of the following code?

import collections

c=collections.Counter([1,2,2,3,3,4,4,4,4,5])
print(c.most_common(1))

• [(4, 4)]
• [(2, 2)]
• [(4, 4), (2, 2)]
• Error

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Question 1: Is the following class valid?

class Employee:
    empid=0
    name=""
    def __init__(id,name):
	    empid=id    
        name=name

• Yes
• No

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class Employee:
    empid=0
    name=""
    def __init__(self,id,name):
	    empid=id    
        name=name

Question 2: A class may contain

• attributes
• methods
• properties
• constructor
• instance attributes
• module
• package

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Question 3: What is TRUE about the class attributes?

• They are defined in the __init__() method.
• They can be defined inside any method.
• They are accessible by the name of the class.
• All of the above are true.

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Question 4: What is 'self' in Python?

• What is 'self' in Python?
• It is a keyword.
• It is a class attribute.
• It is a reference to an object which calls an instance method.
• It is a built-in function in Python

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Question 4: What is the name of the constructor method in the Python class?

• __main__()
• __init__()
• __ctor__()
• None of the above

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Question 5: Which of the following statement is correct?

• Class attributes are the variables defined directly in the class that is shared by all objects of the class.
• Class attributes are the variables defined inside the class method.
• Class attributes are objects of the class.
• None of the above

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