def tag_list_to_dict(tags_list):
    """Convert Boto3-style key-value tags list into dict"""
    tags_dict = {}
    for tag in tags_list:
        if 'key' in tag:
            tags_dict[tag['key']] = tag['value']
        elif 'Key' in tag:
            tags_dict[tag['Key']] = tag['Value']
    return tags_dict
