Python Class Questions & Answers

Question 1: Is the following class valid?

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

Yes
No

Answer: B

The first parameter of the constructor __init__() must be self. This will not give any error but will not work as expected. Learn Class n Python. The following is valid class:

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

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.

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

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

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

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

Question 6: How to define a property in the class in Python?

Using property() function
Using @property decorator
Using get(), set() methods
using @classmethod decorator

Question 7: How to define a static method in Python?

Using static() function
Using @staticmethod decorator
using @classmethod decorator
Can't define a static method in Python

Question 8: All the members of the class are _______ by default.

Public
Private
Protected
Internal

Question 9: Can we declare private members in Python?

Yes
No

Python Class MCQs