from typing import OrderedDict


def extract_member_list(aws_list, key='member'):
    """
    
    ex) if key is 'member', it will convert from
    
    {'member': {'1': 'something1',
                '2': 'something2',
                '3': 'something3'}}
    
    to            
    
    ['something1', 'something2', 'something3']
    """
    if not aws_list: 
        return []
    return OrderedDict(aws_list[key]).values()