Command option Sample:aws ec2 delete-placement-group

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Deletes the specified placement group.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/ec2/delete-placement-group.html

aws ec2 delete-placement-group --group-name my-cluster
    describe-placement-groups — AWS CLI 1.16.6 Command Reference : http://docs.aws.amazon.com/cli/latest/reference/ec2/delete-placement-group.html

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