擅长:python、mysql、java
<p>不使用<code>pandas</code>,使用<code>csv.DictWriter</code>:</p>
<pre><code>import random, csv, datetime
selecteddatas = random.sample(list(range(100)), 100)
a = {}
for data in selecteddatas:
calls = random.choice(range(600))
a[data] = {'time_stamp': datetime.datetime.now(), 'calls': calls}
with open('data.csv', 'w', newline='') as csvfile:
writer = csv.DictWriter(csvfile, fieldnames=['time_stamp', 'calls'])
writer.writeheader()
for k in a.keys():
writer.writerow(a[k])
</code></pre>
<p>data.csv包含:</p>
<pre><code>time_stamp,calls
2018-07-24 17:54:01.989054,273
2018-07-24 17:54:01.989059,290
2018-07-24 17:54:01.989062,51
2018-07-24 17:54:01.989064,188
2018-07-24 17:54:01.989067,518
...and so on.
</code></pre>