• 2022-06-05
    ​若字符串 s = 'hello world',则语句 s.ljust(15, '.') 和 s.rjust(15) 的输出结果为?​
    A: '....hello world'' hello world'
    B: 'hello world....'' hello world'
    C: 'hello world....''hello world '
    D: 'hello world....''hello world'