擅长:python、mysql、java
<p>首先,您必须检查您的输入是否确实在A中。然后,如果是,则使用<code>index</code>方法在A中找到项的索引,以便使用它访问B。你知道吗</p>
<pre><code>A = ["boy","girl","place","food"]
B = ["he","she","USA,UK","Pizza,Burger,Sushi"]
input_string = 'place'
if input_string in A:
output_string = B[A.index(input_string)]
print(output_string) # outputs 'USA,UK'
</code></pre>