def test_calculator3():
calculator = Calculator(3)
calculator.add()
calculator.input(3)
calculator.multiply()
calculator.type(2)
calculator.add()
calculator.type(1)
assert 7 == calculator.output()
def test_calculator_1():
calculator = Calculator(3)
calculator.input(8)
assert 8 == calculator.output()
calculator.type(5)
calculator.type(3)
assert 53 == calculator.output()
calculator.add()
calculator.type(4)
calculator.type(0)
assert 93 == calculator.output()
calculator.divide()
calculator.type(3)
assert 31 == calculator.output()
calculator.multiply()
calculator.type(2)
assert 62 == calculator.output()