Write a program REMOVE_DUPLICATES that will remove duplicate elements in a list L that occur consecutively. The program should return the list with its elements in the same order of their appearance in the original list, but with the consecutive duplicate elements removed. For example, for a list with elements {A, B, C, C, C, C, D, D, E, F, F}, the output list produced by REMOVE_DUPLICATES should be {A, B, C, D, E, F}.

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