def test_create_distance_matrix():
    pass

def test_get_translation_table():
    pass


def test_naive_backtranslate():
    pass

def test_get_peptide_index():
    pass

def test_demo_dna_features_viewer():
    pass

def test_ngrams():
    pass

def test_make_trigrams():
    pass

def test_nucleotide_distribution():
    pass

def test_get_peptide_toplot():
    pass

def test_peptide_distribution():
    pass

def test_plot_ABI():
    pass

def test_get_genbank_sequence():
    pass

def test_get_fasta_sequence():
    pass

def test_calc_sequence_similarity():
    pass

def test_make_parser():
    pass

def test_main():
    pass

create test stubs