python读写

写

def code():

with open('test.txt', 'w', encoding='utf-8') as f:

for i in range(0,50000):

f.write('%s\n'% (random.randint(0,100000)))

code()

读

def getdistrictcode():

with open('test.txt') as file:

data = file.read()

districtlist = data.split('\n')

global codelist

codelist = []

for node in districtlist:

#print node

codelist.append(node)

print(codelist[0])

print(len(codelist))

getdistrictcode()