擅长:python、mysql、java
<p>您不需要在dict上循环以查看键是否存在,查找时间是<code>O(1)</code>:</p>
<pre class="lang-py prettyprint-override"><code>hostname = gethostname()
print(hostname)
if hostname in hosts:
print(srvhostname + " : " + hosts[hostname])
#srvuuid = hosts[hostname] ## I'm just guessing here
else:
print("There is no matching hostname or uuid.")
if srvuuid in backup:
print("Status for " + backup[srvuuid] + " is " + backup_status)
else:
print("No maching uuid found.")
</code></pre>