def get_latest_file_movement(**kwargs):
get_last_modified = lambda obj: int(obj['LastModified'].strftime('%s'))
s3 = boto3.client('s3')
objs = s3.list_objects_v2(Bucket='my-bucket',Prefix='prefix')['Contents']
last_added = [obj['Key'] for obj in sorted(objs, key=get_last_modified, reverse=True)][0]
return last_added
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上面的代码为我提供了最新的文件,但我只想要以“csv”结尾的文件