Python Program to Find Area of Circle Using Function

Learn about Python Program to Find Area of Circle Using Function in the below code example. Also refer the comments in the code snippet to get a detailed view about what’s actually happening.

Contents

Python Program to Find Area of Circle Using Function

# python program to find area of circle using functions

#import math module
import math 

#function
def area_of_circle(r):
 area = math.pi * r * r
 return area


r = float(input('Enter the radius of the circle: '))

# print result
print('Area of circle = %.2f ' %area_of_circle(r))

Output:

Enter the radius of the circle: 2
Area of circle = 12.57

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