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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_path(experiment_config, config_path):
    '''Parse path in config file'''
    expand_path(experiment_config, 'searchSpacePath')
    if experiment_config.get('trial'):
        expand_path(experiment_config['trial'], 'codeDir')
    if experiment_config.get('tuner'):
        expand_path(experiment_config['tuner'], 'codeDir')
    if experiment_config.get('assessor'):
        expand_path(experiment_config['assessor'], 'codeDir')
    if experiment_config.get('advisor'):
        expand_path(experiment_config['advisor'], 'codeDir')
    
    #if users use relative path, convert it to absolute path
    root_path = os.path.dirname(config_path)
    if experiment_config.get('searchSpacePath'):
        parse_relative_path(root_path, experiment_config, 'searchSpacePath')
    if experiment_config.get('trial'):
        parse_relative_path(root_path, experiment_config['trial'], 'codeDir')
    if experiment_config.get('tuner'):
        parse_relative_path(root_path, experiment_config['tuner'], 'codeDir')
    if experiment_config.get('assessor'):
        parse_relative_path(root_path, experiment_config['assessor'], 'codeDir')
    if experiment_config.get('advisor'):
        parse_relative_path(root_path, experiment_config['advisor'], 'codeDir')
    if experiment_config.get('machineList'):
        for index in range(len(experiment_config['machineList'])):
            parse_relative_path(root_path, experiment_config['machineList'][index], 'sshKeyPath')