1）　　使用Windows的记事本，在C:\目录下建立文件file1.txt，内容包括两行：

abcdef

ghijklmn

2）　　输入并运行后面给出的程序，查看C:\目录下文件file2.txt的内容，结果为：

ABCDEF

GHIJKLMN

-1) Use the Windows Notepad, created in the C: \ directory file file1.txt, including two lines: the abcdef ghijklmn 2) input and run behind the procedure given in to view the C: \ directory file file2.txt The result is: ABCDEF GHIJKLMN