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def qsort(L): """ Porting the Erlang quicksort implementation from http://en.wikipedia.org/wiki/Erlang_(programming_language) """ if not L: return L Pivot, Tail = L[0], L[1:] return qsort([X for X in Tail if X < Pivot]) + [Pivot] + qsort([X for X in Tail if X >= Pivot])

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