擅长:python、mysql、java
<p>我会这样实施:</p>
<pre><code>is_found = False
with open("file.csv", "r") as file:
reader = csv.reader(file)
for item in reader:
if toFind == item
is_found = True
break # No need to keep on searching so we stop here
if not is_found:
print "Cannot be Found"
</code></pre>
<p>使用一个预设为False的布尔值,我可以确保在循环末尾打印布尔值时,只有在CSV中找到toFind时,它才会包含True</p>