擅长:python、mysql、java
<p>根据<a href="https://docs.python.org/3/library/random.html#random.sample" rel="nofollow noreferrer">python docs</a>报告:</p>
<blockquote>
<p>Return a k length list of unique elements chosen from the population sequence or set. Used for random sampling without replacement.</p>
</blockquote>
<p>因此,<code>random.sample</code>返回一个列表。您可以获取列表的第一项:</p>
<pre><code>color = ['red','green' ,'yellow' , 'blue', 'grey']
gg = random.sample(color, 1)[0]
print(gg)
jj = farba.index(gg)
</code></pre>
<p>或者,使用<a href="https://docs.python.org/3/library/random.html#random.choice" rel="nofollow noreferrer">^{<cd2>}</a>:</p>
<blockquote>
<p>Return a random element from the non-empty sequence seq. If seq is empty, raises IndexError.</p>
</blockquote>
<pre><code>color = ['red','green' ,'yellow' , 'blue', 'grey']
gg = random.choice(color)
print(gg)
jj = farba.index(gg)
</code></pre>
<p><strong>注意:</strong>我还重新格式化了代码,使其更具可读性</p>