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RSS订阅转载 如何提取txt文件的某几列
如何提取txt文件的某几列import syspath = “D:/train.txt”f = open(path)line = f.readline()list = []while line:a = line.split(",")b = a[2:5]list.append(b)line = f.readline()f.closewith open(‘train01.txt’, ‘a’) as month_file:for tag in list:for i in tag:mo
2020-06-03 09:21:18
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转载 如何删除行首空格
如何删除行首空格with open(“train01.txt”,‘r’) as fr,open(“train02.txt”,‘w’) as fw:for line in fr.readlines():fw.write(line.lstrip())
2020-06-03 09:16:16
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