gistfile1.txt

def split(li):
    if not li:
        return
    t = []
    min = li[-1]
    for i in reversed(li):
        if i < min:
            min = i
        t.append(min)
    t = t[::-1]
    for pos, i in enumerate(li):
        if i <= t[pos]:
            break
    print(li[:pos+1], li[pos+1:])
    return pos+1


split([5, -2, 3, 8, 6])
split([-5, -5, -5, -42, 6, 12])