英语中有没有two double,three double,four double等这样的讲法,有的...答:只有:Single (1) (also: singleton, sole, only, etc.) 单 Double (2) (also: pair, twice) 双 Triple (3) (also: triplet, treble, thrice, threesome, troika, trio) 三重 Quadruple (4) 四路 Quintuple or Pentuple (5) 五倍 Sextuple or Hextuple (6) 六倍 Septuple (7)Octupl...
python list=[1,2,3,4,5,6,7,8] tuple=(1,2,3,4,5,6,7,8) list[0...答:In [1]: a=[1,2,3,4,5,6,7,8]In [2]: b=(1,2,3,4,5,6,7,8)In [3]: a[0::2]Out[3]: [1, 3, 5, 7]In [4]: b[0::2]Out[4]: (1, 3, 5, 7)In [5]:因为list和tuple是python的关键字,我替换成了a和b。如果解决了您的问题请采纳!如果未解决请继续追问...