def test_inverse_factorial_3(): assert inverse_factorial.inverse_factorial(6) == '3!'
def test_inverse_factorial_11(): assert inverse_factorial.inverse_factorial(3) == 'NONE'
def test_inverse_factorial_2(): assert inverse_factorial.inverse_factorial(150) == 'NONE'
def test_inverse_factorial(): assert inverse_factorial.inverse_factorial(120) == '5!'
def test_inverse_factorial_10(): assert inverse_factorial.inverse_factorial(2) == '2!'
def test_inverse_factorial_9(): assert inverse_factorial.inverse_factorial(-3) == 'NONE'
def test_inverse_factorial_8(): assert inverse_factorial.inverse_factorial(1000000) == 'NONE'
def test_inverse_factorial_7(): assert inverse_factorial.inverse_factorial(1) == '0! OR 1!'
def test_inverse_factorial_6(): assert inverse_factorial.inverse_factorial(-2) == 'NONE'
def test_inverse_factorial_5(): assert inverse_factorial.inverse_factorial(0) == 'NONE'