def test_shou_02(): """ :Proceure: :Confirmation: :Tester: :Date: """ assert Calc(-9, 2).shou() == -4.5
def test_dif_02(): """ :Proceure: :Confirmation: :Tester: :Date: """ assert Calc(-9, 2).dif() == -11
def test_seki_02(): """ :Proceure: :Confirmation: :Tester: :Date: """ assert Calc(-9, 2).seki() == -18
def test_add_01(): """ :Proceure: :Confirmation: :Tester: :Date: """ assert Calc(9, 2).add() == 11