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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 as_slice(slice_):
 """Convert an object to a slice, if possible """

    if isinstance(slice_, (Integral, numpy.integer, type(None))):
        return slice(0, None, 1)

    if isinstance(slice_, (slice, numpy.ndarray)):
        return slice_

    if isinstance(slice_, (list, tuple)):
        return tuple(map(as_slice, slice_))

    raise TypeError("Cannot format {!r} as slice".format(slice_))