import os
os.mkdir("D:\\1815925603")
context = ("序号：1815925603\n""姓名：阿信\n""班级：18云计算2班\n")
with open ('D:\\1815925603\\file1.txt','a+') as fp:fp.write(context)fp.seek(0, 0)
with open ('D:\\1815925603\\file1.txt','r') as fp:data=fp.readlines()print(data)fp.close() 
try:os.rename('D:\\1815925603\\file1.txt','D:\\1815925603\\file2.txt')
except Exception as e:print(e)print('rename file fail\r\n')
else:print('rename file success\r\n')
os.remove(r'D:\\1815925603\\file2.txt')