def test_circle_area():
small_circle = Circle((0, 0), 1)
assert small_circle.get_area() == math.pi
larger_circle = Circle((0, 0), 2)
assert larger_circle.get_area() == math.pi * 4
def test_circle_object_returns_its_area(self):
circle = Circle(2)
self.assertAlmostEqual(circle.get_area(), 12.57, 2)