title: Get list of EC2 instances with specific Tag and Value in Boto3
body: <p>How can I filter AWS instances using Tag and Value using <code>boto3</code>?</p>
  
  <pre><code>import boto3
  
  ec2 = boto3.resource('ec2')
  client = boto3.client('ec2')
  
  response = client.describe_tags(
  Filters=[{'Key': 'Owner', 'Value': 'user@example.com'}])
  print(response)
  </code></pre>