The concat or augment command combines to lists or adds an element to a list.
| concat([3,4,2],[1,2,4]) | 
or:
| augment([3,4,2],[1,2,4]) | 
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| concat([3,4,2],5) | 
or:
| augment([3,4,2],5) | 
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| concat(2,[5,4,3]) | 
or:
| augment(2,[5,4,3]) | 
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| concat([[3,4,2]],[[1,2,4]]) | 
or:
| augment([[3,4,2]],[[1,2,4]]) | 
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