擅长:python、mysql、java
<p>其他答案很好地回答了这个问题。我只是想证明你不用库就可以做到这一点。你知道吗</p>
<pre><code>>>> new_list = []
>>> for sublist in eigenlist:
... new_list.append([s for s in sublist.split(' ') if s])
...
>>> new_list
[['1', '-58.44285', '0.00000', '3.000', '0.000'], ['2', '-58.10455', '0.33830', '1.000', '0.000'], ['3', '-57.57816', '0.86469', '0.000', '1.000'], ['4', '-57.48698', '0.95587', '4.000', '0.000'], ['5', '-56.90493', '1.53792', '5.000', '0.000'], ['6', '-56.54419', '1.89867', '3.000', '0.000']]
</code></pre>
<p>您现在可以简单地访问每个元素:</p>
<pre><code>>>> for element in new_list:
... print(element[1])
...
-58.44285
-58.10455
-57.57816
-57.48698
-56.90493
-56.54419
</code></pre>