读写文件时应注意的问题包括:
1.字符编码
2.操作完成即时关闭文件描述符
3.代码兼容性
几种方法:
#!/bin/python3
original_list1=[" "]
original_list2=[" "]
original_list3=[" "]
original_list4=[" "]
newlist1=[" "]
newlist2=[" "]
newlist3=[" "]
newlist4=[" "]
newtxt1=""
newtxt2=""
newtxt3=""
newtxt4=""
#first way to readline
f = open("duplicate_t