title: boto3 how to connect different account in different region
body: <p>I have two different AWS account in two region CN and US,  Can I use boto3 connect to different region service? look like following up code.</p>
  
  <p>Boto2 code:</p>
  
  <pre><code>sqs = boto.sqs.connect_to_region(
    region, aws_access_key_id=access_key, aws_secret_access_key=secret_key)
  </code></pre>
  
  <p>how Boto3 do it like boto2</p>