title: Listing contents of a bucket with boto3
body: <p>How can I see what's inside a bucket in S3 with <code>boto3</code>? (i.e. do an <code>"ls"</code>)?</p>
  
  <p>Doing the following:</p>
  
  <pre><code>import boto3
  s3 = boto3.resource('s3')
  my_bucket = s3.Bucket('some/path/')
  </code></pre>
  
  <p>returns:</p>
  
  <pre><code>s3.Bucket(name='some/path/')
  </code></pre>
  
  <p>How do I see its contents?</p>