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Circumference of Circle in Python

Python program to get radius of circle and find circumference of circle.

Sample Input 1:

4

Sample Output 1:

25.12

Program or Solution

					    
							
r=int(input("Enter the radius:"))
area=2*3.14*r
print("circumference: {}".format(area))

					    
					

Program Explanation

get the radius of a circle using input() method calculate area = 2 * pi * r