擅长:python、mysql、java
<p><a href="https://docs.python.org/3/library/functions.html#map" rel="nofollow noreferrer">^{<cd1>}</a>非常适合:</p>
<pre><code>>>> list(map(lambda p,q:sqrt(p*p + q*q), x, y))
[4.123105625617661, 5.385164807134504, 6.708203932499369]
</code></pre>