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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 get_index_from_coord(coord, base_index):
 """Function to return the coordinate as integer, integer array or slice If `coord` is zero-dimensional, the corresponding integer in `base_index` will be supplied. Otherwise it is first tried to return a slice, if that does not work an integer array with the corresponding indices is returned. Parameters coord: xarray.Coordinate or xarray.Variable Coordinate to convert base_index: pandas.Index The base index from which the `coord` was extracted Returns ------- int, array of ints or slice The indexer that can be used to access the `coord` in the `base_index` """

    try:
        values = coord.values
    except AttributeError:
        values = coord
    if values.ndim == 0:
        return base_index.get_loc(values[()])
    if len(values) == len(base_index) and (values == base_index).all():
        return slice(None)
    values = np.array(list(map(lambda i: base_index.get_loc(i), values)))
    return to_slice(values) or values