以特定字符开头的字符串计数

Man*_*elu 1 python regex csv python-3.x

我试图从下面的列表中查找以字母 V 开头的国家/地区的数量:

 ['USA', '249', '158', '84', '8.7'],
 ['Uruguay', '115', '35', '220', '6.6'],
 ['Uzbekistan', '25', '101', '8', '2.4'],
 ['Vanuatu', '21', '18', '11', '0.9'],
 ['Venezuela', '333', '100', '3', '7.7'],
 ['Vietnam', '111', '2', '1', '2.0'],
 ['Yemen', '6', '0', '0', '0.1'],
 ['Zambia', '32', '19', '4', '2.5'],
 ['Zimbabwe', '64', '18', '4', '4.7']
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代码:

def countCountry(csv1):
    count = 0
    for item in csv1:
        if '/V+' in item[0]:
            count +=1
    return count
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不幸的是,count 总是返回零。有人可以帮忙吗?

小智 5

只是sum(1 for row in csv if row[0][0] == 'V')