擅长:python、mysql、java
<p>由于这两个词典都是词典,因此可以用另一个词典更新其中一个词典。例如:</p>
<pre><code>>>> a = {"host": "centos65"}
>>> b = {"cmd": "echo \"Hello World\" ", "end": "2014-08-01 19:32:38.714584", "stdout": "Hello World", "changed": True, "start": "2014-08-01 19:32:38.707510", "delta": "0:00:00.007074", "stderr": "", "rc": 0, "invocation": {"module_name": "shell", "module_args": "echo \"Hello World\""}}
>>> a.update(b)
>>> a
{'cmd': 'echo "Hello World" ', 'end': '2014-08-01 19:32:38.714584', 'stdout': 'Hello World', 'changed': True, 'rc': 0, 'start': '2014-08-01 19:32:38.707510', 'host': 'centos65', 'stderr': '', 'delta': '0:00:00.007074', 'invocation': {'module_name': 'shell', 'module_args': 'echo "Hello World"'}}
>>> a["host"]
'centos65'
>>> a["cmd"]
'echo "Hello World" '
>>>
</code></pre>