此 Play 安装python3、pip3、boto3和botocore，并尝试使用aws_s3模块下载文件：
TASK [run yum update -y using yum module]
**********************************************************************
ok: [ip-10-200-2-137.us-west-2.compute.internal]
TASK [Install python3 and pip3] *************************************************************************************************
changed: [ip-10-200-2-137.us-west-2.compute.internal]
TASK [Install boto3 and botocore with pip3 module] ******************************************************************************
changed: [ip-10-200-2-137.us-west-2.compute.internal]
TASK [Create a directory if it does not exist using file module] ****************************************************************
changed: [ip-10-200-2-137.us-west-2.compute.internal]
TASK [downlod file from s3 with aws_s3 module] **********************************************************************************
fatal: [ip-10-200-2-137.us-west-2.compute.internal]: FAILED! =>
{"changed": false, "msg": "Python modules \"botocore\" or \"boto3\"
are …