Two-Lists Tools

How to concatenate two lists online?
- Insert first list in List 1 field;
- Insert second list in List 2 field;
- Press on Get Concatenation;
- Copy&Paste results from Result field;

How to intersect two lists online?
- Insert first list in List 1 field;
- Insert second list in List 2 field;
- Press on Get Intersection;
- Copy&Paste results from Result field;

How to subtract one list from another online?
- Insert first list in List 1 field;
- Insert second list in List 2 field;
- Press on Get Difference;
- Copy&Paste results from Result field;

How to differ symmetrically one list from another online?
- Insert first list in List 1 field;
- Insert second list in List 2 field;
- Press on Get Symmetric Difference;
- Copy&Paste results from Result field;