擅长:python、mysql、java
<p>csv阅读器逐行读取文件。当到达文件末尾时,读取器已耗尽,将不再返回任何内容。如果要多次处理,必须将行保留在数据结构中,例如列表:</p>
<pre><code>with io.StringIO(t) as csvfile:
spamreader = list(csv.reader(csvfile, delimiter='|'))
daymoment = [row[0] for row in spamreader if row[0] != ''][1::]
day = [row[1] for row in spamreader]
print(day)
print(daymoment)
</code></pre>
<p>给出:</p>
<pre><code>['Monday', '2', '3', '5', '6']
['Afternoon', 'Evening', 'Night']
</code></pre>