CLASS 12 IP PRACTICAL PROGRAMS 2024-25.pdf

2
TABLE OF CONTENTS
S.No Name of the Exercises Page.No
Programs using Pandas
SERIES
1. Creating a Python program to create a series using a dictionary. 3
2. Creating a Python program to create a series using scalar value. 4
3. Creating a Python program to create a series using NumPy array. 5
4. Creating a python program for modifying or updating existing values of series
object.
6
5. Creating a Python program for performing mathematical operations on two
Series objects.
7
6. Creating a Python program for calculating per capita income of four zones
using Series.
8
7. Creating a Python program to display attributes of a Series. 9
8. Creating a Python program using head() and tail() in Series. 10
DATAFRAME
9. Creating a Python program for creating a DataFrame using a nested list. 11
10. Creating a python program for accessing values of rows and columns of a
dataframe.
12
11. Creating a Python program for accessing values of rows and columns of a
DataFrame.
14
12. Creating a python program to perform operations on a DataFrame (rename,
count, update, replace)
16
13. Creating a Python program to filter the data of a DataFrame. 18
14. Creating a Python program to display the attributes of the DataFrame. 19
15. Creating a Python program to display the data of a DataFrame row-wise and
column-wise using iterrows() and iteritems()
20
16. Creating a Python program to perform writing and reading operations in a
CSV file.
22
Programs using Matplotlib – Data Visualization
17. Creating a python program for plotting a line chart. 23
18. Creating a python program for plotting a bar chart from a CSV file. 24
19. Creating a python program for plotting a multiple bar chart from a CSV file. 25
20. Creating a python program for plotting Histogram. 26
SQL Queries
21. SQL COMMANDS EXERCISE – 1 (Basic Queries – I) 27
22. SQL COMMANDS EXERCISE – 2 (Basic Queries – II) 29
23. SQL COMMANDS EXERCISE – 3 (Aggregate functions, Order by Group by,
Having Clause)
31
24. SQL COMMANDS EXERCISE – 4 (Math Functions) 33
25. SQL COMMANDS EXERCISE – 5 (Text Functions) 35
26. SQL COMMANDS EXERCISE – 6 (Date Functions) 37

3
EX.NO: 1
DATE:
CREATING A PYTHON PROGRAM TO CREATE A
SERIES USING A DICTIONARY.
AIM:
To write a Python program to create a Series to store 5 students Percentage Using
dictionary and print all the elements that are above 75 percentage.
SOURCE CODE:
RESULT:
Thus, the above Python program has been executed successfully, and the output has
been verified.
SAMPLE OUTPUT:
************************************************************************************************

4
EX.NO: 2
DATE:
SERIES USING SCALAR VALUE
AIM:
To write a Python program to create a Series object that stores the Initial budget
allocated (50000/- each) for the four quarters of the year: Qtr1, Qtr2, Qtr3 and Qtr4.
SOURCE CODE:
RESULT:
been verified.
SAMPLE OUPUT:

5
EX.NO: 3
DATE:
SERIES USING NUMPY ARRAY
AIM:
To write a Python program to create a Series object that stores the Employee names
as index and their Salary as values
SOURCE CODE:
RESULT:
been verified.
SAMPLE OUTPUT:
*************************************************************************************************

6
EX.NO: 4
DATE:
CREATING A PYTHON PROGRAM FOR MODIFYING OR UPDATING EXISTING VALUES
OF SERIES OBJECT.
AIM:
To Write a Python program to create a Series object with Employee names as the index
and their salaries as values. Accept the name of the employee whose salary needs to be
changed, along with the new salary, and update it in the Series.
Source Code:
RESULT:
been verified.
Sample Output:
****************************************************************************************

7
EX.NO: 5
DATE:
CREATING A PYTHON PROGRAM FOR PERFORMING MATHEMATICAL
OPERATIONS ON TWO SERIES OBJECTS
AIM:
To create a program in python to perform following mathematical Operations on Two
Series objects: (i) Addition (ii) Subtraction (iii) Multiplication (iv) Division.
SOURCE CODE:
RESULT:
been verified.
SAMPLE OUTPUT:
**************************************************************************************************

8
EX.NO: 6
DATE:
CREATING A PYTHON PROGRAM FOR CALCULATING PER CAPITA INCOME OF
FOUR ZONES USING SERIES
AIM:
To write a Python program to create two series i.e. population and average
income of Four Zones, and then calculate per capita income storing in third
pandas series print it.
Source Code:
RESULT:
been verified.
Sample Output:
***************************************************************************************

9
EX.NO: 7
DATE:
CREATING A PYTHON PROGRAM TO DISPLAY ATTRIBUTES OF A SERIES
AIM:
To write a Python program to create a Series using list and display the following
attributes of the Series: (i) index (ii) dtype (iii) size (iv) shape (v) hasnans
SOURCE CODE:
RESULT:
been verified.
SAMPLE OUTPUT:
*************************************************************************************************

10
EX.NO: 8
DATE:
CREATING A PYTHON PROGRAM USING head() AND tail() IN SERIES
AIM:
To write a Python program to create a Series using list of Marks of 10 students and
display first 5 Students’ marks and Last 2 Students’ marks from Series object.
SOURCE CODE:
RESULT:
been verified.
SAMPLE OUTPUT:
**************************************************************************************************

11
EX.NO: 9
DATE:
CREATING A PYTHON PROGRAM FOR CREATING A DATAFRAME USING A
NESTED LIST
AIM:
To write a Python program to create a panda’s Data Frame for the following table Using
Nested list:
SOURCE CODE:
RESULT:
been verified.
SAMPLE OUTPUT:
**************************************************************************************************

12
EX.NO: 10
DATE:
CREATING A PYTHON PROGRAM FOR ACCESSING VALUES OF ROWS AND
COLUMNS OF A DATAFRAME
AIM:
To write a Python program to create a panda’s DataFrame called DF for the following
table Using Dictionary of List and perform the following operations:
(i) To Display only column 'Toys' from DataFrame DF.
(ii) To Display the row details of 'AP' and 'OD' from DataFrame DF.
(iii) To Display the column 'Books' and 'Uniform' for 'M.P' and 'U.P' from DataFrame DF.
(iv) To Display consecutive 3 rows and 3 columns from DataFrame DF.
SOURCE CODE:
RESULT:
been verified.

13
SAMPLE OUTPUT:
*************************************************************************************************

14
EX.NO: 11
DATE:
CREATING A PYTHON PROGRAM FOR ACCESSING VALUES OF ROWS AND COLUMNS
OF A DATAFRAME
AIM:
To write a Python program to create a panda’s DataFrame called DF for the following
table Using Dictionary of List and perform the following operations:
(i) Insert a new column “Bags” with values as [5891, 8628, 9785, 4475].
(ii) Delete the row details of M.P from DataFrame DF.
SOURCE CODE:
RESULT:
been verified.

15
SAMPLE OUTPUT:
**************************************************************************************************

16
EX.NO: 12
DATE:
CREATING A PYTHON PROGRAM TO PERFORM OPERATIONS ON A DATAFRAME
(RENAME, COUNT, UPDATE, REPLACE)
AIM:
To write a Python program to create a pandas DataFrame to analyze number of
Government and Private medical college and their Total seats,Fees statewise details
using the dataset available at www.data.gov.in. Also, perform the following operations.
(i) To Change the name of the state AP to Andhra.
(ii) To Count and Display Non-NaN values of each column.
(iii) To Count and Display Non-NaN values of each row.
(iv) To Increase the fees of all colleges by 5%
(v) To Replace all NaN values with 0.
Source Code:
RESULT:
been verified.

17
Sample Output:
*************************************************************************************

18
EX.NO: 13
DATE:
CREATING A PYTHON PROGRAM TO FILTER THE DATA OF A DATAFRAME
AIM:
To write a Python program to create a panda’s DataFrame called DF for the following table
using Dictionary of List and display the details of students whose Percentage is more than
85.
SOURCE CODE:
RESULT:
been verified.
SAMPLE OUTPUT:
*******************************************************************************************

19
EX.NO: 14
DATE:
CREATING A PYTHON PROGRAM TO DISPLAY THE ATTRIBUTES OF A
DATAFRAME
AIM:
To write a Python program to create a DataFrame using Dictionary of list and display
the following attributes of the DataFrame: (i) index (ii) columns (iii) axes (iv) dtypes
(v) shape (vi) dimension (vii) T
SOURCE CODE:
RESULT:
Thus, the above Python program is executed successfully and the output is verified.
SAMPLE OUTPUT:
*******************************************************************************************

20
EX.NO: 15
DATE:
CREATING A PYTHON PROGRAM TO DISPLAY THE DATA OF A DATAFRAME
ROW-WISE AND COLUMN-WISE USING ITERROWS() AND ITERITEMS()
AIM:
To write a Python program to create a panda’s DataFrame called Students for the
following table and demonstrate iterrows and iteritems.
SOURCE CODE:
RESULT:
been verified.

21
SAMPLE OUTPUT:
# Output for Iterrows() # Output for Iteritems()
**********************************************************************************************

22
EX.NO: 16
DATE:
CREATING A PYTHON PROGRAM TO PERFORM WRITING AND READING OPERATIONS
IN A CSV FILE
AIM:
To Write a Python program to store the details of Employess’ such as Empno, Name,
Salary into a Employee.csv file. Also, write a code to read employee details from csv
file.
SOURCE CODE:
RESULT:
been verified.
SAMPLE OUTPUT:
**********************************************************************************************

23
EX.NO: 17
DATE:
CREATING A PYTHON PROGRAM FOR PLOTTING A LINE CHART
AIM:
To write a Python program to plot a Line chart to depict the changing weekly Onion
and Brinjal prices for four weeks. Also, give appropriate axes labels, title and keep marker
style as Diamond and marker edge color as ‘red’ for Onion.
SOURCE CODE:
RESULT:
Thus, the above Python program has been executed and verified successfully, and its
respective chart has been generated successfully.
SAMPLE OUTPUT:
*********************************************************************************************

24
EX.NO: 18
DATE:
CREATING A PYTHON PROGRAM FOR PLOTTING A BAR CHART
FROM A CSV FILE
AIM:
To write a Python program to create a DataFrame for subject-wise average, save it to
a CSV file, and then draw a bar chart using Matplotlib with a width of each bar as 0.25,
specifying different colors for each bar. Additionally, provide a proper title and axes labels for
the bar chart.
Source Code:
RESULT:
Sample Output:
***********************************************************************************************

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EX.NO: 19
DATE:
CREATING A PYTHON PROGRAM FOR PLOTTING A MULTIPLE
BAR CHART FROM A CSV FILE
AIM:
To write a Python program to plot a multiple bar chart From CSV file using Matplotlib
for subject wise Scores of Class A, Class B, and Class C. Different colors represent each
class, and subjects include English,Accountancy,Economics,BST and IP. Proper labels,
a title and a legend are displayed on the chart.
Source Code:
RESULT:
Sample Output:
*****************************************************************************************************

26
EX.NO: 20
DATE:
CREATING A PYTHON PROGRAM FOR PLOTTING
PLOTTING HISTOGRAM
AIM:
To write a Python program to plot a Histogram for the following class interval or
range. Also, give appropriate axes name, title and edege color as ‘red’.
SOURCE CODE:
RESULT:
Thus, the above Python program has been executed and verified successfully, and the
SAMPLE OUTPUT:
******************************************************************************************

27
Ex.No: 21
DATE:
SQL COMMANDS EXERCISE – 1
(Basic Queries – I)
AIM:
To write Queries for the following Questions based on the given table:
EmpID Name Gender Age Dept DOJ Salary City
1 Praveen M 25 Sales 1989-06-08 20000 Chennai
2 Arun M 29 Marketing 1989-09-26 22000 Chennai
3 Usha F 27 Finance 1994-08-09 25000 Bangalore
4 Bala M 31 Sales 1990-03-23 27000 NULL
5 Rani F 28 Marketing 1990-04-23 27000 Mumbai
6 Nisha F 26 NULL 1991-02-24 18000 Bangalore
7 Manoj M 32 Finance 1982-05-06 30000 Goa
(a) Write a Query to Create a new database in the name of "EMPS".
CREATE DATABASE EMPS;
(b) Write a Query to Open the database EMPS.
USE EMPS;
(c) Write a Query to create the above table called: Info
CREATE TABLE INFO (EmpID int primary key, Name varchar(15),
Gender varchar(3),Age int,Dept varchar(15),DOJ date, Salary int, City varchar(10));
(d) Write a Query to list all the existing database names.
SHOW DATABASES;

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(e) Write a Query to List all the tables that exists in the current database.
SHOW TABLES;
Output:
(f) Write a Query to insert all the rows of above table into Info table.
INSERT INTO INFO VALUES (1,'Praveen','M', 25,'Sales','1989-06-08','20000','Chennai');
INSERT INTO INFO VALUES(2,'Arun','M',29,'Marketing','1989-09-26',22000,'Chennai');
INSERT INTO INFO VALUES(3,'Usha','F',27,'Finance','1994-08-09',25000,'Bangalore');
INSERT INTO INFO VALUES(4,'Bala','M',31,'Sales','1990-03-23',27000,NULL);
INSERT INTO INFO VALUES(5,'Rani','F',28,'Marketing','1990-04-23',27000,'Mumbai');
INSERT INTO INFO VALUES (6,'Nisha','F', 26, NULL,'1991-02-24', 18000,'Bangalore');
INSERT INTO INFO VALUES (7,'Manoj','M', 32,'Finance','1982-05-06', 30000,'Goa');
(g) Write a Query to display all the details of the Employees from the above table 'INFO'.
SELECT * FROM INFO;
Output:
****************************************************************************************************

29
Ex.No: 22
DATE:
(Basic Queries – II)
AIM:
4 Bala M 31 Sales 1990-03-23 27000 NULL
(a) Write a Query to Display Employees’ name and City from the above table.
SELECT NAME, CITY FROM INFO;
Output:
(b) Write a Query to Display all details of Employees who are living in Chennai.
SELECT * FROM INFO WHERE CITY='CHENNAI';
Output:

30
(c) Write a Query to get the name and salary of the employee whose salary is above
15000 and gender is not male.
SELECT NAME,SALARY FROM INFO WHERE SALARY >15000 AND GENDER<>'M';
Output:
(d) Write a query to update increase 10% Salary of an employee whose City is 'CHENNAI'
and Gender is 'MALE'.
UPDATE INFO SET SALARY=SALARY+ (SALARY*0.10) WHERE
CITY='CHENNAI' AND GENDER='MALE';
Output (After Updating):
(e) Write a Query to delete the details of Employee Id 6.
DELETE FROM INFO WHERE EMPID=6;
Output (After Deletion):
*************************************************************************

31
Ex.No: 23
DATE:
(Aggregate Functions, Order By Group By, Havning Clause)
AIM:
4 Bala M 31 Sales 1990-03-23 27000 NULL
(a) Write a Query to list names of Employees in Descending order.
SELECT NAME FROM INFO ORDER BY NAME DESC;
Output:
(b) Write a Query to find a total salary of all employees.
SELECT SUM(SALARY) FROM INFO;
Output:
(c) Write a Query to display maximum salary and minimum salary of employees.
SELECT MAX(SALARY), MIN(SALARY) FROM INFO;
Output:

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(d) Write a Query to count the number of employees earning more than 25000.
SELECT COUNT(SALARY) FROM INFO WHERE SALARY>25000;
Output:
(e) Write a query to display sum of salary of the employees grouped by department wise.
SELECT DEPT, SUM(SALARY) FROM INFO GROUP BY DEPT;
Output:
(f) Write a query to display the department names where number of employees are
greater than or equal to 2.
SELECT DEPT FROM INFO GROUP BY DEPT HAVING COUNT(*)>=2;
Output:
****************************************************************************************

33
Ex.No: 24
DATE:
(Mathematical Functions)
AIM:
To write Queries for the following Questions based on the given table -"STU":
(a) Write a Query to Display square of age that got admission in the month of August.
SELECT POWER(AGE,2) FROM STU WHERE DOA LIKE '%-08-%';
Output:
(b) Write a Query to display Remainder of column Percentage divide by 3.
SELECT MOD(MARKS,3) FROM STU;
Output:

34
(c) Write a Query to display Student names and their Percentage in round figure.
SELECT NAME, ROUND(PERCENTAGE,0) FROM STU;
Output:
(d) Display Name, Percentage and round up the remainder marks up to 2 decimal
places.
SELECT NAME, ROUND(MOD(PERCENTAGE,3),2) FROM STU;
Output:
**************************************************************************************

35
Ex.No: 25
DATE:
(Text Functions)
AIM:
To write Queries for the following Questions based on the given table -"STU":
(a) Write a Query to display Department name in lower case letters.
SELECT LCASE(DEPT) FROM STU;
Output:
(b) Write a Query to display department name and its respective number of characters
in Dept column.
SELECT DEPT,LENGTH(DEPT) FROM STU;
Output:

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(c) Write a Query to display first 2 characters of the column Name.
SELECT LEFT(NAME,2) FROM STU;
Output:
(d) Write a Query to display first 2 characters of the column Name.
SELECT RIGHT(NAME,2) FROM STU;
Output:
(e) Write a query to display the names of all students and extract five characters from the
third position of the 'Name' field.
SELECT SUBSTR(NAME,3,5) FROM STU;
Output:
**********************************************************************************************

37
Ex.No: 26
DATE:
SQL COMMANDS EXERCISE – 6 (Date Functions)
AIM:
(a) Write a Query to display student name and month of date of admission of all
students.
SELECT NAME, MONTH(DOA) FROM STU;
Output:
(b) Write a Query to display Student name and day name of the students’ DOA of the
table STU.
SELECT NAME, DAYNAME(DOA) FROM STU;
Output:

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(c) Write a query to display the joining year of IP students.
SELECT YEAR(DOA) FROM STU WHERE DEPT='IP'
Output:
(d) Write a Query to Display the month for the date_of_birth of all students.
SELECT NAME, MONTHNAME(DOA)FROM STU;
Output:
(e) Write a query to display the names of the students who joined in the month of June.
SELECT NAME FROM STU WHERE MONTHNAME(DOA)='June';
Output:
*********************************************************************************************

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