python readfile 管道_python read file(f,csv)

import csv

def readfile0():

print('test read file')

in_file = open('C:pythondemoLiaoXueFengdatalianjian_zufang_version_4.csv','r',encoding='UTF-8')

content=in_file.read()

print(content)

def readfile2():

with open('C:pythondemoLiaoXueFengdatalianjian_zufang_version_4.csv','r',encoding='UTF-8') as fin:

for line in fin:

l = [line.split(',') for line in fin]

print(l)

def csvreadfile():

f= open('C:pythondemoLiaoXueFengdatalianjian_zufang_version_4.csv','r',encoding='UTF-8')

s=csv.reader(f)

l=list(s)

print(l)

def wirtefile():

in_file = open('C:pythondemoLiaoXueFengdatalianjian_zufang_version_4.csv','r',encoding='UTF-8')

content=in_file.read()

print(content)

f=open('C:pythondemoLiaoXueFengdatagoog2.csv','w',encoding='UTF-8')

f.write(content)

f.close()

in_file.close()

def wirtecsfile():

f = open('C:pythondemoLiaoXueFengdatagoog2.csv', 'w', encoding='UTF-8')

ow= csv.writer(f)

ow.writerow('aaaaaaa')

f.close()

csvreadfile()