What went wrong in this code?

Question

During your math class, you are given a task to calculate the perimeter of a circle.
You decide to write a small program that will take the radius as input, and will calculate and print the perimeter for you.
The value for π (pi) is already defined.

Sample Input
4

Sample Output
25.12
https://code.sololearn.com/cVa0RpLetLSN/?ref=app

Answer 1

It's not necessary to add extra informations in your solution.

https://code.sololearn.com/c0XIN54OP1uN/?ref=app

Answer 2

It is working for me
when i input 4 it give me 25.12 as output

Answer 3

What problem are u facing

Answer 4

HrCoder It's showing "Uh oh! Make sure you check your code carefully" and "Try again"