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

1

F,B,C,A,D