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P. 95
SOME MORE PROGRAMS
Program 20: To calculate the area of different shapes.
Program20.py
File Edit Format Run Options Window Help
def calculate_area(name):
name = name.lower()
if(name == 'rectangle'):
l = float(input('Enter the length of the rectangle: '))
b = float (input('Enter the breadth of the rectangle: '))
rect_area = 1 * b
print('The area of the rectangle is: ', rect_area)
elif(name == 'square'):
s = float(input('Enter the side of the square: '))
sqr_area = s * s
print('The area of the square is:', sqr_area)
elif (name == 'circle'):
pi = 3.14
r = float(input('Enter the radius of the circle: '))
circle_area = pi * r**2
print('The area of the circle is: ', circle_area)
else:
print('sorry! This shape is not available')
print('Calculate Area for: Rectangle, Square, or Circle')
shape_name = input('Enter the name of the shape whose area you want to find: ')
calculate_area(shape_name)
You will get the following output:
Output
Calculate Area for: Rectangle, Square, or Circle
Enter the name of the shape whose area you want to find: Circle
Enter the radius of the circle: 4.5
The area of the circle is: 63.585
Program 21: To access string characters.
Program21.py
File Edit Format Run Options Window Help
#Accessing string characters in Python
str = 'Orange Education'
print('str = ', str)
print('str[0] = ', str[0]) #First character
print('str[-1] = ', str[-1]) #Last character
Functions, String and List in Python 93

