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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 iloc(cls, dataset, index):
 """ Dask does not support iloc, therefore iloc will execute the call graph and lose the laziness of the operation. """

        rows, cols = index
        scalar = False
        if isinstance(cols, slice):
            cols = [d.name for d in dataset.dimensions()][cols]
        elif np.isscalar(cols):
            scalar = np.isscalar(rows)
            cols = [dataset.get_dimension(cols).name]
        else:
            cols = [dataset.get_dimension(d).name for d in index[1]]
        if np.isscalar(rows):
            rows = [rows]

        data = OrderedDict()
        for c in cols:
            data[c] = dataset.data[c].compute().iloc[rows].values
        if scalar:
            return data[cols[0]][0]
        return tuple(data.values())