r = 25
area = 3.1415 * r * r
print(area)
print("{:.2f}".format(area))


*Tangent Circle*
import turtle
turtle.pensize(2)
turtle.circle(10)
turtle.circle(40)
turtle.circle(80)
turtle.circle(160)


*Star Draw*
from turtle import *
color('red', 'red')
begin_fill()
for i in range(5):
    fd(200)
    rt(144)
end_fill()
done()