若scores="9,7,8,9,6,5"，则list(scores)的结果是？（ ）
[9,7,8,9,6,5]
['9','7','8','9','6','5']
['9', ',', '7', ',', '8', ',', '9', ',', '6', ',', '5']
9,7,8,9,6,5