擅长:python、mysql、java
<p>你只想要数字还是名字?不管怎么说,像这样,你可以得到所有要看《泰坦尼克号》的人的名单,你可以很容易地得到它的长度</p>
<pre><code>bookings=[["Sam", 1, "titanic", "morning", "Stit1"], ["Bill", 2, "titanic", "evening", "Btit2"], ["Kik", 2, "lionking", "afternoon", "Klio2"]]
count = [item for item in bookings if 'titanic' in item]
print(len(count))
</code></pre>