# -*-coding:utf-8-*-
import os

file_obj = open("test2.txt")
all_lines = file_obj.readlines()
for line in all_lines:
    print line
file_obj.close()

# 寫之前，先檢驗檔案是否存在，存在就刪掉
if os.path.exists("dest.txt"):
    os.remove("dest.txt")
mylist = ["luoluo", "taotao", "mumu"]

# 以寫的方式開啟檔案，如果檔案不存在，就會自動建立
file_write_obj = open("dest.txt", 'w')
for var in mylist:
    file_write_obj.writelines(var)
    file_write_obj.write('\n')
file_write_obj.close()