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Diff

returns the difference between two lists
Syntax 

Diff(L:LIST, M:LIST):LIST

Description
This function returns the list obtained by removing all the elements of M from L.

Example 
  L := [1,2,3,2,[2,3]];
  M := [1,2];
  Diff(L, M);
[3, [2, 3]]
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See Also