关于python的小问题（不难），求助！

[zibolo]

[weixin_45903952]

import os

f1=open(os.path.join(os.getcwd()+'\\test','some.txt'),'w')
f1.write('Welcome to China!')
f1.close()

f2=open(os.path.join(os.getcwd()+'\\test','some.txt'),'r')
print(f2.read(7))
f2.close()

if not os.path.exists(os.path.join(os.getcwd(),'new')):
	os.mkdir(os.path.join(os.getcwd(),'new'))
os.system('copy %s %s '%(os.path.join(os.getcwd()+'\\test','some.txt'),os.path.join(os.getcwd()+'\\new','some.txt')))


import pandas as pd

data=pd.DataFrame([['a',1,2,3],['b',4,5,6],['c',7,8,9]])
print(data)
data.to_csv('sev.csv',index=False,header=False)
file = pd.read_csv('sev.csv')
df = pd.DataFrame(file)

print(df)

[行者刘6]

楼上正确