<p>在Python中,可以使用一行程序以简单直观的方式设置具有特殊条件(如默认值或条件)的值。</p>
<pre><code>result = 0 or "Does not exist." # "Does not exist."
result = "Found user!" if user in user_list else "User not found."
</code></pre>
<p>是否可以编写一个捕捉异常的类似语句?</p>
<pre><code>from json import loads
result = loads('{"value": true}') or "Oh no, explosions occurred!"
# {'value': True}
result = loads(None) or "Oh no, explosions occurred!"
# "Oh no, explosions occurred!" is desired, but a TypeError is raised.
</code></pre>