Гульмира Python 3: a = [2, 4, 6]; print(*(a[i0] * 1000 + a[i1] * 100 + a[i2] * 10 + a[i3] for i0 in range(len(a)) for i1 in range(len(a)) for i2 in range(len(a)) for i3 in range(len(a))))
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