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python Csv.rEADEr

reader = csv.reader(open('E:/BigData/tianchi_mobile_recommend_train_user.csv','r+')) \t是制表符,直接用/代表\避免 出现 "\t" "\n"这样的转 义符

import csvwith open('eggs.csv', 'rb') as csvfile: spamreader = csv.reader(csvfile, delimiter=' ', quotechar='|') for row in spamreader: print ', '.join(row)我试了没问题,可能你输入的问题,你拷贝再试试。

import csvwith open('eggs.csv', newline='') as csvfile: spamreader = csv.reader(csvfile, delimiter=',', quotechar=',') for row in spamreader: print(', '.join(row))

用csv模块 import csvcsvfile = file('test.csv', 'rb')reader = csv.reader(csvfile)for line in reader: print linecsvfile.close()

用pandas库, import pandas as pddata = pd.read_csv('train.csv')train_data = data.values[0:TRAIN_NUM,1:]train_label = data.values[0:TRAIN_NUM,0] study.163.com/course/courseMain.htm?courseId=1000035 机器学习正好讲了这个手写识别的...

参考方法如下: 逐行处理: for line in open("samples/sample.csv"): title, year, director = line.split(",") //以“,”号为分割,按逗号将数据分成三部分; print year, title 使用csv模块处理: import csv reader = csv.reader(open("sample...

这两天刚好看到,Python CookBook上有说到。这里是三种读取csv的方法。 文件格式是这样的 Region,DATE_,RAW_ACU zh_ch,Jan 27 2017,208172 import csvfrom collections import namedtuple# with open('data.csv') as f:# f_csv = csv.reader(f)#...

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...

csv文件内每一行即一行数据,每一个逗号为一列数据。因此,先按行读取一行,再按逗号分割即可。 csvfile = open('your_csv_file.csv', 'r')data = []for line in csvfile: data.append(list(line.strip().split(','))) 此外,numpy.loadtxt也提...

import csv with open('1.csv') as f: r = csv.reader(f) for i in r: if '999999' in i: pass else: print(i) 以上python3代码,1.csv为你的文件名。居然不能缩进?自己缩进吧,应该看的出来吧

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