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Python Csv为什么报错如图

import csvdatater = [[1,2,3],[4,5,6]]header = ['value1','value2','value3']with open("output.csv", "wb") as f: writer = csv.writer(f) writer.writerow(header) writer.writerows(datater)

把wb改成w或w+,b是二进制形式存储

在当前行找就行了,不用定位到格,另外要判断下行的类型是否为数据行,表头表尾里是找不到的 for (GridViewRow row in GridView1.Rows){ if(row.尝单佰竿脂放拌虱饱僵RowType==DataControlRowType.DataRow) { Label lbl=row.FindControl("label1...

能不能多截点图,主要想知道在哪里报错的

把"list.csv"改成filename def csv2dict(fname): new_dict = {} with open(fname, 'rb') as f: reader = csv.reader(f, delimiter=',') fieldnames = next(reader) reader = csv.DictReader(f, fieldnames=fieldnames, delimiter=',') for row i...

data['tradeDate']不是data['tradeData']date date date !!

直接贴代码吧,输出b就可以了。 b = []for i in range(3): b.append( [row for row in a[i] ]) print(b)

#打开数据文件 infile = open("data.csv", 'r') names = infile.readline() names = names.rstrip().split(',') del names[0] #删除第一行0列空字符 myset = {} for name in names: myset[name] = {} for line in infile: line = line.rstrip()....

class DBI(object): """database interface""" def __init__(self, conn): """keep connection""" self._conn = conn def store(self, sql, data): """store data into database with given sql""" curr = self._conn.cursor() curr.executemany...

python中有一个读写csv文件的包,直接import csv即可。利用这个python包可以很方便对csv文件进行操作,一些简单的用法如下。 读文件 csv_reader = csv.reader(open('data.file', encoding='utf-8')) for row in csv_reader: print(row) 例如有如...

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