<p>嗨,我有一个文件,我需要数一数“美沙酮”和“辅酶多胺”这两个词出现的次数。它似乎打印“0”,而实际上在这个特定的文件中,美沙酮和co-codamol发生的总次数是9次。文件如下:</p>
<p><a href="http://i.stack.imgur.com/hUdJt.png" rel="nofollow">http://i.stack.imgur.com/hUdJt.png</a></p>
<p>我的密码是:</p>
<pre><code>import csv
import collections
number = collections.Counter()
with open('C:\Users\Desktop\practice jan.csv') as input_file:
for row in csv.reader(input_file, delimiter=','):
number[row[1]] += 1
print 'Number of prescriptions is %s' % number['Methadone' + 'Co-Codamol']
>> Number of opioid prescriptions is 0
</code></pre>