def test_isListOfNumber_8():
    assert isListOfNumber([]) == True
def test_isListOfNumber_6():
    assert isListOfNumber([2, 3, 'oops', 5]) == False
def test_isListOfNumber_7():
    assert isListOfNumber([2, 3, [4]]) == False
def test_isListOfNumber_5():
    assert isListOfNumber([2, 3, 4, 5.6, 7]) == True
def test_isListOfNumber_4():
    assert isListOfNumber([3.4]) == True
def test_isListOfNumber_3():
    assert isListOfNumber([3]) == True
def test_isListOfNumber_2():
    assert isListOfNumber(3) == False
def test_isListOfNumber_1():
    assert isListOfNumber('Fred') == False