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:- module double_print.

:- interface.

:- import_module io.

:- pred main(io::di, io::uo) is det.

:- implementation.

:- import_module list.

main(!IO) :-
    p(0 .. 100, L),
    io.write(L, !IO),
    nl(!IO).

:- pred p(T::in, T::out) is det.

p(A, A).