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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 bag(directory, mets_basename, dest, identifier, in_place, manifestation_depth, mets, base_version_checksum, tag_file, skip_zip, processes):
 """ Bag workspace as OCRD-ZIP at DEST """

    resolver = Resolver()
    workspace = Workspace(resolver, directory=directory, mets_basename=mets_basename)
    workspace_bagger = WorkspaceBagger(resolver)
    workspace_bagger.bag(
        workspace,
        dest=dest,
        ocrd_identifier=identifier,
        ocrd_manifestation_depth=manifestation_depth,
        ocrd_mets=mets,
        ocrd_base_version_checksum=base_version_checksum,
        processes=processes,
        tag_files=tag_file,
        skip_zip=skip_zip,
        in_place=in_place
    )