擅长:python、mysql、java
<p>我假设您想知道列表中每个元素中有多少个“a”。这是代码</p>
<pre><code>l = ["jojo", "gardan", "giga"]
number_of_a = 0
for item in l:
if "a" in item:
number_of_a += 1
print("there is " + str(number_of_a) + " a's in " + item)
else:
print("sorry")
</code></pre>
<p>输出:
很抱歉
加尔丹有1个a
giga中有2个a</p>