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python3 rEAD Csv

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

最顶上这样写: #!/usr/bin/env python# coding: UTF-8还有文件名的引号前加u

Python文档中有提到: open('eggs.csv', newline='') 也就是说,打开文件的时候多指定一个参数。Python文档中也有这样的示例: import csvwith open('eggs.csv', 'w', newline='') as csvfile: spamwriter = csv.writer(csvfile, delimiter=' ',...

字符被转义了写的不对,将字符改成英文模式下的字符 。 Python3具有脚本语言中最丰富和强大的类库,足以支持绝大多数日常应用。Python的名字来源于一个喜剧,也许最初设计Python这种语言的人并没有想到今天它会在工业和科研上获得如此广泛的使用...

33,34行不要写在方法里面

python2下: 1234 # -*- coding: utf-8 -*- import pandas as pdmydata = pd.read_csv(u"例子.csv") #前面加u,第一行的编码必须utf-8 原本以为这一点python3和python2是一样的,其实不一样! python3下: 1234567 # -*- coding: utf-8 -*- impo...

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...

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

贴一个例子你看,如何使用看文档 import urllib2 from bs4 import BeautifulSoup import csv url = ('http://nflcombineresults.com/nflcombinedata.php?year=2000&pos=&college=') page = urllib2.urlopen(url).read() soup = BeautifulSoup(pa...

import csvfor row in csv.reader(open('sales.csv','rb')): for col in row: print col

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