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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def from_to_without(frm, to, without, step=1, skip=1, reverse=False, separate=False):
 """ Helper function to create ranges with missing entries """

    if reverse:
        frm, to = (to - 1), (frm - 1)
        step *= -1
        skip *= -1
    a = list(range(frm, without, step))
    b = list(range(without + skip, to, step))
    if separate:
        return a, b
    else:
        return a + b