元组变量t=(“cat”, “dog”, “tiger”, “human”), t[::-1]的结果是()
(A){‘human’, ‘tiger’, ‘dog’, ‘cat’}
(B)[‘human’, ‘tiger’, ‘dog’, ‘cat’]
(C)运行出错
(D)(‘human’, ‘tiger’, ‘dog’, ‘cat’)
参考答案
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(A){‘human’, ‘tiger’, ‘dog’, ‘cat’}
(B)[‘human’, ‘tiger’, ‘dog’, ‘cat’]
(C)运行出错
(D)(‘human’, ‘tiger’, ‘dog’, ‘cat’)