格式化字符串

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word左右居中纵向分布 word左右居中对齐 word左右居中对齐怎么设置 word标题回车后为正文 word标题回车后直接分页 word标题回车后中间空了好大一段 word里面行距怎么调整无法缩小 word里面行距一直很大 word里面行距怎么设置在哪里 word试卷格式文档怎么打印 word试卷格式排版 word中隐藏文字打印 word中隐藏文字快捷键 word中隐藏文字在哪里

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贼拉埋汰

格式化字符串

>>> a,b=5,42
>>> print(a,b)
5 42
>>> 'this is {}, and that is {}'.format(a,b)
'this is 5, and that is 42'
>>> s = 'this is {}, and that is {}'
>>> s
'this is {}, and that is {}'
>>> s.format(a, b)
'this is 5, and that is 42'
>>> id(s)
64800544
>>> new = s.format(a,b)
>>> id(new)
64454464
>>> 'this is {1}, and that is {0}'.format(a,b)
'this is 42, and that is 5'
>>> 'this is {bob} and that is {fred}'.format(bob=a, fred=b)
'this is 5 and that is 42'
>>> d = dict(bob=a,fred=b)
>>> 'this is {bob} and that is {fred}'.format(**d)
'this is 5 and that is 42'
>>>