Advertisements
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 13 - Python and CSV files - 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 13 - Python and CSV files")
Advertisements
Solutions for Chapter 13: Python and CSV files
Below listed, you can find solutions for Chapter 13 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 13 Python and CSV files Evaluation [Pages 264 - 266]
Part I - Choose the best answer
A CSV file is also known as a ______
Flat File
3D File
String File
Random File
The expansion of CRLF is ______
Control Return and Line Feed
Carriage Return and Form Feed
Control Router and Line Feed
Carriage Return and Line Feed
Which of the following module is provided by Python to do several operations on the CSV files?
py
xls
csv
os
Which of the following mode is used when dealing with non-text files like image or exe files?
Text mode
Binary mode
xls mode
csv mode
The command used to skip a row in a CSV file is ______
next()
skip()
omit()
bounce()
Which of the following is a string used to terminate lines produced by the writer()method of the csv module?
Line Terminator
Enter key
Form feed
Data Terminator
What is the output of the following program? import csv
d=csv.reader(open('c:\PYPRG\ch13\city.csv'))
next(d)
for row in d:
print(row)
if the file called “city.csv” contain the following details
| chennai,mylapore |
| mumbai,andheri |
chennai,mylapore
mumbai,andheri
chennai
mumbachennai,mylapore
mumbai,andheri
Which of the following creates an object which maps data to a dictionary?
listreader()
reader()
tuplereader()
DictReader()
Making some changes in the data of the existing file or adding more data is called ______
Editing
Appending
Modification
Alteration
What will be written inside the file test.csv using the following program import csv
D = [['Exam'],['Quarterly'],['Halfyearly']]
csv.register_dialect('M',lineterminator = '\n')
with open('c:\pyprg\ch13\line2.csv', 'w') as f:
wr = csv.writer(f,dialect='M')
wr.writerows(D)
f.close()
Exam Quarterly Halfyearly
Exam Quarterly Halfyearly
E
Q
HExam,
Quarterly,
Halfyearly
Part II - Answer the following questions (2 Marks)
What is CSV File?
Mention the two ways to read a CSV file using Python.
Mention the default modes of the File.
What is the use of the next() function?
How will you sort more than one column from a CSV file? Give an example statement.
Part III - Answer the following questions (3 Marks)
Write a note on the open() function of python. What is the difference between the two methods?
Write a Python program to modify an existing file.
Write a Python program to read a CSV file with default delimiter comma (,).
What is the difference between the write mode and append mode?
What is the difference between reader() and DictReader() function?
Part IV - Answer the following questions (5 Marks)
Differentiate Excel file and CSV file.
Tabulate the different modes with their meaning.
Write the different methods to read a File in Python.
Write a Python program to write a CSV File with custom quotes.
Write the rules to be followed to format the data in a CSV file.
Solutions for 13: Python and CSV files
Samacheer Kalvi solutions for Computer Science [English] Class 12 TN Board chapter 13 - Python and CSV files
Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Computer Science [English] Class 12 TN Board Tamil Nadu Board of Secondary Education solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Samacheer Kalvi solutions for Mathematics Computer Science [English] Class 12 TN Board Tamil Nadu Board of Secondary Education 13 (Python and CSV files) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Samacheer Kalvi textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Computer Science [English] Class 12 TN Board chapter 13 Python and CSV files are Introduction to Python and CSV Files, Difference Between CSV and XLS File Formats, Purpose of CSV File, Creating a CSV File Using Notepad (or Any Text Editor), Create A CSV File Using Microsoft Excel, Read and Write a CSV File Using Python, Writing Data into Different Types in CSV Files.
Using Samacheer Kalvi Computer Science [English] Class 12 TN Board solutions Python and CSV files exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Computer Science [English] Class 12 TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
Get the free view of Chapter 13, Python and CSV files Computer Science [English] Class 12 TN Board additional questions for Mathematics Computer Science [English] Class 12 TN Board Tamil Nadu Board of Secondary Education, and you can use Shaalaa.com to keep it handy for your exam preparation.
