firewolf85

@echo off
set str=今日明月在
echo 第一题： 
for %%i in (0 2 4) do (
call set /p=%%str:~%%i,2%% <nul
)
echo.
echo 第二题：
for %%i in (2 0 4) do (
call set /p=%%str:~%%i,2%%<nul
)
pause>nul
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