PYTHON LAB
A Report Submitted to
Theni College of Arts & Science
(Affiliated to Madurai Kamarajar University)
In partial fulfillment of
Department of computer science
Department of computer science
Theni College of Arts & Science
Veerapandi.
Theni College of Arts and Science, Veerapandi
(Affiliated to Madurai Kamaraj University)
Department of computer science
Bonafide Certificate
University Register no
certified that this is the Bonafide record of Practical
work done by the student
Subject
Class
(Subject Code:
Head of the department
)
in the computer lab of this college held on
Lecturer Incharge
Submitted to the University Practical Examination of Madurai Kamaraj University in Theni College of
Arts and Science.
Internal Examiner
External Examiner
INDEX
S.N DATE
o
CONTENTS
1
2
3
4
5
6
Temperature conversion
Check the student grade
Area of shapes
Fibonacci series
Finding factorial
Sum of the series for 1-2/2!+3/3!
7
8
Matrix of sum and
product
Create mathematical 3D objects
9
Histogram
10
11
12
Sine and cos waves
Pulserate verses height
Graph for time and velocity
13
Grape for time and distance
14
15
Grape for velocity and distance
Wire frame
PAGE SIGN
No
Ex.No.1
Date:
TEMPERATURE CONVERSION
Aim:
To write a python program to calculate the temperature conversion. To convert
Fahrenheit to Celsius and Celsius to Fahrenheit
Program:
print("\t\t*****MENU*****")
print("1.From Fahrenheit to Celsius")
print("2.From Celsius to Fahrenheit ")
print("3.Exit")
choice = int(input("Enter choice(1/2/3):"))
if (choice == 1):
F = int(input("what is the Fahrenheit? "))
C=(F - 32) * 5/9
print("Celsius is = ",C)
elif (choice == 2):
C = int(input("what is the Celsius? "))
F= (C * 9/5) + 32
print("Fahrenheit is = ",F)
elif (choice == 3):
exit()
else:
print("Invalid input")
Output:
*****MENU*****
1.From Fahrenheit to Celsius
2.From Celsius to Fahrenheit
3.Exit
Enter choice(1/2/3):1
what is the Fahrenheit? 3
Celsius is = -16.11111111111111
*****MENU*****
1.From Fahrenheit to Celsius
2.From Celsius to Fahrenheit
3.Exit
Enter choice(1/2/3):2
what is the Celsius? -15
Fahrenheit is = 5.0
Result:
The above program has been executed successfully
Ex.No.2
Date:
CHECK THE STUDENT GRADE
Aim:
Write a python program to check our student grade for the given marks
Program:
sub1=int(input("Enter marks of the first subject: "))
sub2=int(input("Enter marks of the second subject: "))
sub3=int(input("Enter marks of the third subject: "))
avg=(sub1+sub2+sub3)/3
if(avg>=80):
print("Grade: A")
elif(avg>=70 and avg<80):
print("Grade: B")
elif(avg>=60 and avg<70):
print("Grade: C")
elif(avg>=40 and avg<60):
print("Grade: D")
else:
print("Grade: E")
Output:
Enter marks of the first subject: 80
Enter marks of the second subject: 90
Enter marks of the third subject: 70
Grade: A
Result:
The above program has been executed successfully
Ex.No.3
AREA OF SHAPES
Date:
Aim:
Write a python program to find out and display the area calculation for the given shapes
Program:
def square(length):
area_square = length ** 2
print ("the area of your square equals %s" % (area_square))
def rectangle(length, width):
area = length * width
print ("The area of your rectangle equals %s" %(area))
def triangle(height, base):
area_triangle = height * base * 0.5
print ("the area of your triangle equals %s" % (area_triangle))
def circle(pi,radius):
area_circle = pi * (radius ** 2)
print (" the area of your circle equals %s" % (area_circle))
print ("\t Area calculator")
print ("
def calculation():
")
print (" \t MENU")
print ("
")
print ("1.Square, 2.Rectangle, 3.Triangle, 4.Circle 5.Exit")
print ("Enter your choice")
user_shape = int(input())
if user_shape == 1:
square(length = float(input("please type the length of the square")))
elif user_shape == 2:
rectangle(length = float(input("please type the length of the rectangle")), width =
float(input("please type the width of the rectangle")))
elif user_shape == 3:
triangle(height = float(input("please type the height of the triangle")), base =
float(input("please type the base length of the triangle")))
elif user_shape == 4:
circle(3.14, radius = float(input("please type the radius of thecircle")))
elif user_shape == 5:
exit()
else:
print ("That's not in the choices!, Try again")
calculation()
calculation()
choice = input("Would you like to calculate the area of a different shape?(yes/no)")
while choice == "yes":
print ("
calculation()
")
Output:
MENU
1.Square, 2.Rectangle, 3.Triangle, 4.Circle 5.Exit
Enter your choice
1
please type the length of the square5
the area of your square equals 25.0
Would you like to calculate the area of a different shape?(yes/no)yes
MENU
1.Square, 2.Rectangle, 3.Triangle, 4.Circle 5.Exit
Enter your choice
2
please type the length of the rectangle5
please type the width of the rectangle6
The area of your rectangle equals 30.0
MENU
1.Square, 2.Rectangle, 3.Triangle, 4.Circle 5.Exit
Enter your choice
3
please type the height of the triangle10
please type the base length of the triangle2
the area of your triangle equals 10.0
MENU
1.Square, 2.Rectangle, 3.Triangle, 4.Circle 5.Exit
Enter your choice
4
please type the radius of the circle5
the area of your circle equals 78.5
Result:
The above program has been executed successfully
Ex.No.4
Date:
FIBONACCI SERIES
Aim:
Write a python program to display the Fibonacci series for the given times
Program:
n = int(input("Please Enter the Range Number: "))
i=0
first = 0
second = 1
while(i < n):
if(i <= 1):
Next = i
else:
Next = first + second
first = second
second = Next
print(Next)
i=i+1
Output:
Please Enter the Range Number: 5
0
1
1
2
3
Result:
The above program has been executed successfully
Ex.No.5
Date:
FINDING FACTORIAL
Aim:
To write a python program to find and display the factorial value for the given number
Program:
n=int(input("Enter number:"))
fact=1
while(n>0):
fact=fact*n
n=n-1
print("Factorial of the number is: ")
print(fact)
Output:
Enter number:5
Factorial of the number is: 120
Result:
The above program has been executed successfully
Ex.No.6
Date:
SUM OF THE SERIES FOR 1 – 2/2! + 3/3! --------- n/n!
Aim:
Write a python program to to find sum of the following series for n terms: 1 – 2/2! + 3/3!
- - - - - n/n!
Program:
def sumofseries(num):
res = 0
fact = 1
for i in range(1, num+1):
fact *= i
if(i%2==0):
res = res - (i/ fact)
else:
res = res + (i/ fact)
return res
n =int(input("Enter the range"))
print("Sum: ", sumofseries(n))
Output:
Enter the range 4
Sum: 0.33333333333333337
Result:
The above program has been executed successfully
Ex.No.7
Date:
MATRIX OF SUM AND PRODUCT
Aim:
Write a python program to calculate the matrix of sum and product for the given two
matrices and display it
Program:
X = [[1,2,3],
[4,5,6],
[7,8,9]]
Y = [[1,2,3],
[4,5,6],
[7,8,9]]
result = [[0,0,0],
[0,0,0],
[0,0,0]]
print("Matrix Addition")
for i in range(len(X)):
for j in range(len(Y[0])):
result[i][j] += X[i][j] + Y[i][j]
for r in result:
print(r)
print("Matrix Multiplication")
for i in range(len(X)):
for j in range(len(Y[0])):
for k in range(len(Y)):
result[i][j] += X[i][k] * Y[k][j]
for r in result:
print(r)
Output:
Matrix Addition
[2, 4, 6]
[8, 10, 12]
[14, 16, 18]
Matrix Multiplication
[32, 40, 48]
[74, 91, 108]
[116, 142, 168]
Result:
The above program has been executed successfully
Ex.No.8
Date:
CREATE MATHEMATICAL 3D OBJECTS
Aim:
Write a python program and to create mathematical 3D objects in visual python
Program:
import matplotlib.pyplot as plt
from matplotlib.patches import Ellipse
plt.axes()
print ("MENU")
print ("1-Circle")
print ("2-rectangle")
print ("3-Arrow")
print ("4-Ellipse")
print ("5-Polygon")
ch=int(input("enter Choice = "))
if ch==1:
circle = plt.Circle((0, 0), radius=0.75, fc='y')
plt.gca().add_patch(circle)
elif ch==2:
rectangle = plt.Rectangle((10, 10), 100, 100, fc='r')
plt.gca().add_patch(rectangle)
elif ch==3:
arrow = plt.Arrow(1, 1, 0.5, 0.5)
plt.gca().add_patch(arrow)
elif ch==4:
ellipse = Ellipse((3, 3), 0.4, 0,2)
plt.gca().add_patch(ellipse)
elif ch==5:
points = [[2, 1], [6, 1], [8, 4]]
line = plt.Polygon(points,facecolor='g', edgecolor='r', linewidth=3.0)
plt.gca().add_patch(line)
else:
print ("Invalid Choice")
plt.axis('scaled')
plt.show()
Output:
MENU
1- Circle
2- Rectangle
3-Arrow
4-Ellipse
5-Polygon
Enter choice = 1
Enter choice = 2
Enter choice = 4
Result:
The above program has been executed successfully
Enter choice = 3
Enter choice = 5
Ex.No.9
Date:
HISTOGRAM
Aim:
Write a python program and display the histogram in visual python
Program:
import numpy as np
import matplotlib.pyplot as plt
data = [1,11,21,31,41]
plt.hist([1,11,21,31,41,51], bins=[0,10,20,30,40,50,60], weights=[10,1,40,33,6,8],
edgecolor="red")
plt.show()
Output:
Result:
The above program has been executed successfully
Ex.No.10
Date:
SINE AND COS WAVES
Aim:
Write a python program to display the sine and cos waves in the visual python
Program:
import matplotlib.pyplot as plt
import numpy as np
st=np.arange(0,10,0.1)
ct=np.arange(0,10,0.1)
sine=np.sin(st)
cos=np.cos(ct)
plt.plot(st,sine)
plt.plot(ct,cos)
plt.title("Sine, Cos, Polynomial and Exponential Waves")
plt.xlabel("Time")
plt.ylabel("Sin and Cos (Time)")
plt.show()
Output:
Result:
The above program has been executed successfully
Ex.No.11
Date:
PULSERATE VERSES HEIGHT
Aim:
Write a python program to display the graph for pulse rate and height variance
Program:
import numpy as np
import matplotlib.pyplot as plt
x=[ ]
y=[ ]
for n in range(6):
p = int(input('Enter pulse rate'));
h = int(input('Enter the height'));
x.append(p)
y.append(h)
plt.plot(x,y)
plt.title("Pulse rate vs Height")
plt.xlabel("Pulse rate");
plt.ylabel("Height");
plt.show()
Output:
Enter pulse rate110
Enter the height170
Enter pulse rate100
Enter the height160
Enter pulse rate95
Enter the height155
Enter pulse rate90
Enter the height150
Enter pulse rate85
Enter the height140
Enter pulse rate80
Enter the height130
Result:
The above program has been executed successfully
GRAPH FOR TIME AND VELOCITY
Ex.No.12
Date:
Aim:
Write a python program and to display the graph for time and velocity variance in
velocity acceleration
Program:
import numpy as np
import matplotlib.pyplot as plt
x=[ ]
y=[ ]
t=0
et =int(input('Enter end time'));
a = int(input('Enter the Acceleration'));
u = int(input('Enter the Initial Velocity'));
while (t<=et):
v=u+a*t
x.append(t)
y.append(v)
t=t+1
plt.plot(x,y)
plt.title("Velocity acceleration")
plt.xlabel("Time");
plt.ylabel("Velocity");
plt.margins(0)
plt.show()
Output:
Ex.No.13
Date:
GRAPH FOR TIME AND DISTANCE
Result:
The above program has been executed successfully
Aim:
Write a python program and to display the graph for time and distance variance in
velocity acceleration
Program:
import numpy as np
import matplotlib.pyplot as plt
x=[ ]
y=[ ]
t=0
et =int( input('Enter end time'));
a = int(input('Enter the Acceleration'));
u =int( input('Enter the Initial Velocity'));
while t<=et:
v=u+a*t
d = v * t + 0.5 * a * t ** 2
x.append(t)
y.append(d)
t=t+1
plt.plot(x,y)
plt.title("Velocity acceleration")
plt.xlabel("Time");
plt.ylabel("Distance");
plt.margins(0)
plt.show()
Output:
Ex.No.14
Date:
GRAPH FOR VELOCITY AND DISTANCE
Result:
The above program has been executed successfully
Aim:
Write a python program and to display the graph for velocity and distance variance in
velocity acceleration
Program:
import numpy as np
import matplotlib.pyplot as plt
x=[ ]
y=[ ]
t=0
et = input('Enter end time');
a = input('Enter the Acceleration');
u = input('Enter the Initial Velocity');
while t<=et:
v=u+a*t
s = (v * v - u * u) / 2 * a
x.append(v)
y.append(s)
t=t+1
plt.plot(x,y)
plt.title("Velocity acceleration")
plt.xlabel("Velocity");
plt.ylabel("Distance");
plt.margins(0)
plt.show()
Output:
Ex.No.(extra)
Date:
WIRE FRAME
Result:
The above program has been executed successfully
Aim:
Write a python program to display the wire frame in the visual python
Program:
from mpl_toolkits.mplot3d import axes3d
import matplotlib.pyplot as plt
import numpy as np
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
u, v = np.mgrid[0:2*np.pi:200j, 0:np.pi:100j]
x=np.cos(u)*np.sin(v)
y=np.sin(u)*np.sin(v)
z=np.cos(v)
plt.title("Wireframe Example")
ax.set_xlabel("x-Axis")
ax.set_ylabel("y-Axis")
ax.set_zlabel("z-Axis")
ax.plot_wireframe(x, y, z, rstride = 5, cstride = 5, linewidth = 1)
plt.show()
Output:
Result:
The above program has been executed successfully