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Chapters
2: Data Abstraction
3: Scoping
4: Algorithmic Strategies
5: Python - Variables and Operators
6: Control Structures
7: Python functions
8: Strings and String manipulation
9: Lists, Tuples, Sets and Dictionary
▶ 10: Python Classes and objects
11: Database Concepts
12: Structured Query Language (SQL)
13: Python and CSV files
14: Importing C++ programs in Python
15: Data manipulation through SQL
16: Data visualization using pyplot: line chart, pie chart and bar chart
![Samacheer Kalvi solutions for Computer Science [English] Class 12 TN Board chapter 10 - Python Classes and objects - Shaalaa.com](/images/computer-science-english-class-12-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Computer Science [English] Class 12 TN Board chapter 10 - Python Classes and objects")
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Solutions for Chapter 10: Python Classes and objects
Below listed, you can find solutions for Chapter 10 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Computer Science [English] Class 12 TN Board.
Samacheer Kalvi solutions for Computer Science [English] Class 12 TN Board 10 Python Classes and objects Evaluation [Pages 186 - 188]
Part I - Choose the best answer (1 Marks)
Which of the following are the key features of an Object-Oriented Programming language?
Constructor and Classes
Constructor and Object
Classes and Objects
Constructor and Destructor
Functions defined inside a class: ______
Functions
Module
Methods
section
Class members are accessed through which operator?
&
.
#
%
Which of the following method is automatically executed when an object is created?
__object__( )
__del__( )
__func__( )
__init__( )
A private class variable is prefixed with ______
__
&&
##
**
Which of the following method is used as a destructor?
__init__( )
__dest__( )
__rem__( )
__del__( )
Which of the following class declaration is correct?
class class_name
class class_name<>
class class_name:
class class_name[ ]
Which of the following is the output of the following program?
class Student:
def __init__(self, name):
self.name=name
print (self.name)
S=Student(“Tamil”)Error
Tamil
name
self
Which of the following is the private class variable?
__num
##num
$$num
&&num
The process of creating an object is called as: ______
Constructor
Destructor
Initialize
Instantiation
Part II - Answer the following questions (2 Marks)
What is the class?
What is instantiation?
What is the output of the following program?
class Sample:
__num = 10
def disp(self):
print(self.__num)
S = Sample()
S.disp()
print(S.__num)How will you create a constructor in Python?
What is the purpose of the Destructor?
Part III - Answer the following questions (3 Marks)
What are class members? How do you define it?
Write a class with two private class variables and print the sum using a method.
Find the error in the following program to get the given output?
class Fruits:
def __init__(self, f1, f2):
self.f1=f1
self.f2=f2
def display(self):
print("Fruit 1 = %s, Fruit 2 = %s" %(self.f1, self.f2))
F = Fruits ('Apple', 'Mango')
del F.display
F.display()
Output
Fruit 1 = Apple, Fruit 2 = MangoWhat is the output of the following program?
class Greeting:
def __init__(self, name):
self.__name = name
def display(self):
print("Good Morning ", self.__name)
obj=Greeting('Bindu Madhavan')
obj.display()How to define constructor and destructor in Python?
Part IV - Answer the following questions (5 Marks)
Write a menu-driven program to add or delete stationery items. You should use a dictionary to store items and the brand.
Solutions for 10: Python Classes and objects
Samacheer Kalvi solutions for Computer Science [English] Class 12 TN Board chapter 10 - Python Classes and objects
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Concepts covered in Computer Science [English] Class 12 TN Board chapter 10 Python Classes and objects are Introduction to Python Classes and Objects, Defining Classes (Attributes, Methods), Creating Objects, Accessing Class Members, Class Methods, Constructor and Destructor in Python, Public and Private Data Members, Sample Programs to Illustrate Classes and Objects.
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