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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 examples(manager: Manager):
 """Load examples to the database."""

    for graph in (sialic_acid_graph, statin_graph, homology_graph, braf_graph, egf_graph):
        if manager.has_name_version(graph.name, graph.version):
            click.echo('already inserted {}'.format(graph))
            continue
        click.echo('inserting {}'.format(graph))
        manager.insert_graph(graph, use_tqdm=True)