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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 _run_sbgenomics(args):
 """Run CWL on SevenBridges platform and Cancer Genomics Cloud. """

    assert not args.no_container, "Seven Bridges runs require containers"
    main_file, json_file, project_name = _get_main_and_json(args.directory)
    flags = []
    cmd = ["sbg-cwl-runner"] + flags + args.toolargs + [main_file, json_file]
    _run_tool(cmd)