data:image/png;base64,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data:image/png;base64,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

Take any number of input lists, and create a new list containing the items of the input lists. So APPEND [A B] [C D] where the [,,,] are lists reports the list [A B C D] not [[A B] [C D]].

11111

,,,,,,,,,,,,,,,,,,,,,A,,B,,C,,D,,F