擅长:python、mysql、java
<p>一个全熊猫的解决方案是使彩色地图成为熊猫数据帧,然后将其连接到primes数据帧:</p>
<pre><code>cmap = pd.DataFrame({'prime' : [2,3,7,23],
'color' : ['DarkOrange','DeepSkyBlue','Yellow','Purple']})
print df.merge(cmap)
prime color
0 2 DarkOrange
1 2 DarkOrange
2 2 DarkOrange
3 3 DeepSkyBlue
4 7 Yellow
5 7 Yellow
6 23 Purple
</code></pre>