序列与字串
A
1 [a,2,[b,4]]
2
'a,2,[b,4]
3
=A1.concat@q(",")
4
=A1.concat(",")
5
=A2.split@p(",")
6
=A2.split(",")
7
=A2.split@1(",")

A3~A7中运算结果如下:

结果中蓝色的成员为序列,可以双击查看.