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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 parse_config():
 """Parse the configuration and create required services. Note: Either takes the configuration from the environment (a variable named ``FLASH_CONFIG``) or a file at the module root (named ``config.json``). Either way, it will attempt to parse it as JSON, expecting the following format:: { "name": <Project Name>, "services": [ { "name": <Service Name>, <Service Settings> } ] } """

    env = getenv('FLASH_CONFIG')
    if env:
        logger.info('loading configuration from environment')
        data = json.loads(env)
    else:
        data = _parse_file()
    data['project_name'] = data.get('project_name', 'unnamed')
    data['services'] = define_services(data.get('services', []))
    data['style'] = data.get('style', 'default')
    if data.get('project_end'):
        data['project_end'] = repr(data['project_end'])
    return data