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尝试将第一列(名称)列入列表以显示用户,然后使用对CSV文件的更改进行更新。 使用此代码:获取第一列CSV文件Python
import csv
list = []
exRtFile = open ('exchangeRate.csv','r')
exchReader = csv.reader(exRtFile)
while True:
for column in exchReader:
list.append(column and column[0])
print(list)
exRtFile.close
不过,我得到的underired输出:
['US Dollar']
['US Dollar', []]
['US Dollar', [], 'Japanese Yen']
['US Dollar', [], 'Japanese Yen', []]
['US Dollar', [], 'Japanese Yen', [], 'Euro']
['US Dollar', [], 'Japanese Yen', [], 'Euro', []]
['US Dollar', [], 'Japanese Yen', [], 'Euro', [], 'Pound Sterling']
['US Dollar', [], 'Japanese Yen', [], 'Euro', [], 'Pound Sterling', []]
['US Dollar', [], 'Japanese Yen', [], 'Euro', [], 'Pound Sterling', [], 'Japanese Yen']
不要使用'list'作为变量名;你掩盖了内置的类型。 –
由于'csv.reader'为您提供了行,因此您的'column'变量被命名为混乱 - 您正在遍历行,并且想要'row [0]'。 (PS:不要忘记['newline ='''](http://stackoverflow.com/questions/22991406/indexerror-list-index-out-of-range-csv-file#comment35112723_22991406)!) – DSM