擅长:python、mysql、java
<p>您可以使用<a href="https://docs.python.org/3.6/library/functions.html#locals" rel="nofollow noreferrer">locals()</a>:</p>
<pre><code>def lookup(query):
my_car = ["blue","ford"]
dads_car = ["green","audi"]
for name, vals in locals().items():
# you need a condition to filter the variables you want to search in!
if name.endswith('_car') and query in vals:
return name
return 'unknown'
result = lookup('green')
print(result)
result = lookup('green2')
print(result)
</code></pre>
<p>印刷品:</p>
<pre><code>dads_car
unknown
</code></pre>