- >>> 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'
- >>>
- #该片段来自于http://www.codesnippet.cn/detail/1004201512179.html
来源: http://www.codesnippet.cn/detail/1004201512179.html