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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 canonify_slice(s, n):
 """ Convert a slice object into a canonical form to simplify treatment in histogram bin content and edge slicing. """

    if isinstance(s, (int, long)):
        return canonify_slice(slice(s, s + 1, None), n)
    start = s.start % n if s.start is not None else 0
    stop = s.stop % n if s.stop is not None else n
    step = s.step if s.step is not None else 1
    return slice(start, stop, step)