Method ADT.Sequence()->`&()
- Method
`&
 Sequenceres =ADT.Sequence()&coll- Description
 And operator Perform an and on this sequence and the
collsequence by only returning those values that is present in both sequences as a new Sequence. The remaining values is in the same order as they are in this sequence and the values are compared using `==.- Parameter 
coll The sequence to and to this sequence.
- Returns
 The result of the and as a new Sequence.