擅长:python、mysql、java
<p>使用列表理解:</p>
<pre><code>print ([item for item in snapshot_tag if item['Key'] != 'aws:backup:source-resource'])
</code></pre>
<p>或使用过滤器,λ:</p>
<pre><code>print (list(filter(lambda item: item['Key'] != 'aws:backup:source-resource', snapshot_tag)))
</code></pre>
<p>输出:</p>
<pre><code>[{'Key': 'Disaster_Recovery', 'Value': 'Full'}, {'Key': 'Backup Initiator Rule', 'Value': 'Daily-6d-retention'}, {'Key': 'Name', 'Value': 'HOSTNAME'}, {'Key': 'Backup_Type', 'Value': 'CROSS-REGION'}]
</code></pre>