一個A.txt檔內容為
~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~~~~~
delete_delete
~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~~~~~~
若要把 delete_delete行以後全刪掉寫入 B.txt
open(file1,"<A.txt)
open(file2,">B.txt)
close(file1);
close(file2);
請問各位大大中間要怎麼寫 謝謝
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