### 2.35.1 Definition : `seq[] ()`

A sequence is represented by a sequence of elements separated by commas, without delimiters or with either `( )` or `seq[...]` as delimiters, for example

`(1,2,3,4)`
`seq[1,2,3,4]`

Input :

`A:=(1,2,3,4)` or `A:=seq[1,2,3,4]`
`B:=(5,6,3,4)` or `B:=seq[5,6,3,4]`

Remarks

- The order of the elements of the sequence is significant. For example, if `B:=(5,6,3,4)` and `C:=(3,4,5,6)`, then `B==C` returns `0`.
- (see also 2.35.5)
  `seq([0,2])=(0,0)` and `seq([0,1,1,5])=[0,0,0,0,0]` but
  `seq[0,2]=(0,2)` and `seq[0,1,1,5]=(0,1,1,5)`