异常

try:
    file=open('eeee.txt','r+')
except Exception as e:
    print(e)
    response = input('do you want to create a new file:')
    if response=='y':
        file=open('eeee.txt','w')
    else:
        pass
else:#try里的代码成功执行完后，才会走else
    file.write('ssss')
    file.close()