读取csv文件: import csv #打开文件,用with打开可以不用去特意关闭file了,python3不支持file()打开文件,只能用open() with open("XXX.csv","r",encoding="utf-8") as csvfile: #读取csv文件,返回的是迭代类型 read = csv.reader(csvfile) for i in read: print(i) 存为csv文件: import csv with open("XXX.csv","w",newline="") as datacsv: #dialect为打开csv文件的方式,默认是excel,delimiter="\t"参数指写入的时候的分隔符 csvwriter = csv.writer(datacsv,dialect = ("excel")) #csv文件插入一行数据,把下面列表中的每一项放入一个单元格(可以用循环插入多行) csvwriter.writerow(["A","B","C","D"])
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