def show_proportions(adata):
layers_keys = [key for key in ['<STR_LIT>', '<STR_LIT>', '<STR_LIT>'] if key in adata.layers.keys()]<EOL>tot_mol_cell_layers = [adata.layers[key].sum(<NUM_LIT:1>) for key in layers_keys]<EOL>mean_abundances = np.round(<EOL>[np.mean(tot_mol_cell / np.sum(tot_mol_cell_layers, <NUM_LIT:0>)) for tot_mol_cell in tot_mol_cell_layers], <NUM_LIT:2>)<EOL>print('<STR_LIT>' + str(layers_keys) + '<STR_LIT>' + str(mean_abundances))<EOL>
Fraction of spliced/unspliced/ambiguous abundances

    Arguments
    ---------
    adata: :class:`~anndata.AnnData`
        Annotated data matrix.

    Returns
    -------
    Prints the fractions of abundances.