擅长:python、mysql、java
<p>您可以编写以下代码:</p>
<pre class="lang-py prettyprint-override"><code>while (answer := input("Please enter something: ")) != 0:
# if user pressed only `Enter` script will terminate. following will never run
if answer == "":
print("enter was pressed")
else:
print("Enter wasn't pressed!")
# do something
</code></pre>
<p>这意味着0将始终感到满意</p>