回答此问题可获得 20 贡献值,回答如果被采纳可获得 50 分。
<p>所以我有一个变量来保存这个。你知道吗</p>
<pre><code>['Needie Seagoon', 0.6, 0.8556701030927835, 0.5555555555555556, 0.8297872340425532, 0.978494623655914, 0.7849462365591398, 0.7142857142857143, 0.6436781609195402]
['Eccles', 0.98, 0.9381443298969072, 0.8080808080808081, 0.6947368421052632, 0.8850574712643678, 0.7959183673469388, 0.5161290322580645, 0.875]
['Bluebottle', 0.6421052631578947, 0.9072164948453608, 0.8080808080808081, 0.6382978723404256, 0.4838709677419355, 0.5591397849462365, 1.0, 0.9770114942528736]
['Henry Crun', 0.968421052631579, 0.5979381443298969, 0.5050505050505051, 0.6063829787234043, 0.7204301075268817, 0.4838709677419355, 0.8461538461538461, 0.8275862068965517]
['Minnie Bannister', 0.5368421052631579, 1.0, 0.5252525252525253, 0.5638297872340425, 0.7311827956989247, 0.6236559139784946, 0.7692307692307693, 0.7931034482758621]
['Hercules Grytpype-Thynne', 0.78, 0.6391752577319587, 0.7575757575757576, 0.7052631578947368, 0.5517241379310345, 0.5714285714285714, 0.956989247311828, 0.7613636363636364]
['Count Jim Moriarty', 0.5368421052631579, 0.7010309278350515, 0.5151515151515151, 0.7021276595744681, 0.5913978494623656, 0.7741935483870968, 0.5494505494505495, 0.8505747126436781]
['Major Dennis Bloodnok', 0.54, 0.4845360824742268, 0.5959595959595959, 0.5052631578947369, 0.7586206896551724, 0.5918367346938775, 0.5698924731182796, 0.9431818181818182]
</code></pre>
<p>最好将这些子列表添加到数组列表中,比如说new_li=[]并将列表附加到该列表中?你知道吗</p>
<p>我想通过循环每个名字和他们的分数来得到该学生所有分数的平均值。为了更容易地循环,我将列表拼接如下:</p>
<p>注意:Studentp\u file是上述列表的列表变量。你知道吗</p>
<pre><code>for line in studentp_file:
answer = line[1:14]
</code></pre>
<p>结果是一个只有数字的新列表:</p>
<pre><code>[0.6, 0.8556701030927835, 0.5555555555555556, 0.8297872340425532, 0.978494623655914, 0.7849462365591398, 0.7142857142857143, 0.6436781609195402]
[0.98, 0.9381443298969072, 0.8080808080808081, 0.6947368421052632, 0.8850574712643678, 0.7959183673469388, 0.5161290322580645, 0.875]
[0.6421052631578947, 0.9072164948453608, 0.8080808080808081, 0.6382978723404256, 0.4838709677419355, 0.5591397849462365, 1.0, 0.9770114942528736]
[0.968421052631579, 0.5979381443298969, 0.5050505050505051, 0.6063829787234043, 0.7204301075268817, 0.4838709677419355, 0.8461538461538461, 0.8275862068965517]
[0.5368421052631579, 1.0, 0.5252525252525253, 0.5638297872340425, 0.7311827956989247, 0.6236559139784946, 0.7692307692307693, 0.7931034482758621]
[0.78, 0.6391752577319587, 0.7575757575757576, 0.7052631578947368, 0.5517241379310345, 0.5714285714285714, 0.956989247311828, 0.7613636363636364]
[0.5368421052631579, 0.7010309278350515, 0.5151515151515151, 0.7021276595744681, 0.5913978494623656, 0.7741935483870968, 0.5494505494505495, 0.8505747126436781]
[0.54, 0.4845360824742268, 0.5959595959595959, 0.5052631578947369, 0.7586206896551724, 0.5918367346938775, 0.5698924731182796, 0.9431818181818182]
</code></pre>
<p>所以我想把第一行的值加起来,得到平均值。然后第二次,第三次,依此类推。你知道吗</p>
<p>我怎么循环这个?我似乎不能让一行一行的循环顺利进行。你知道吗</p>
<p>计划是稍后再加上这些名字。你知道吗</p>
<p>谢谢。你知道吗</p>