Join Command

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Join[List 1, List 2, ...]
Joins the two (or more) lists.
Note: The new list contains all elements of the initial lists even if they are the same. The elements of the new list are not re-ordered.
Example: Join[{5, 4, 3}, {1, 2, 3}] creates the list {5, 4, 3, 1, 2, 3}.
Join[List of lists]
Joins the sub-lists into one longer list.
Note: The new list contains all elements of the initial lists even if they are the same. The elements of the new list are not re-ordered.
Examples:
  • Join[{{1, 2}}] creates the list {1, 2}.
  • Join[{{1, 2, 3}, {3, 4}, {8, 7}}] creates the list {1, 2, 3, 3, 4, 8, 7}.
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