Write a program in python to Calculate Circumference of Circle

Write a program in python to Calculate Circumference of Circle


# Python Program - Calculate Circumference of Circle

print("Enter 'x' for exit.");
rad = input("Enter radius of circle: ");
if rad == 'x':
    exit();
else:
    radius = float(rad);
    circumference = 2*3.14*radius;
    print("\n Circumference of Circle =",circumference);