def test1():
    assert round(task4.area(1), 2) == 3.14
def test2():
    assert round(task4.area(2), 2) == 12.57
#! python3

import task4

def test1():
  assert round(task4.area(1),2) == 3.14

def test2()
    assert round(task4.area(2),2) == 12.57