mumuxi

Q1:
@echo off
for /l %%i in (1,1,100) do echo %%i
pause>nul


Q2:
@echo off
for /l %%i in (1,2,100) do echo %%i
pause>nul


Q3:

@echo off
for %%i in (bbs,bathome.net) do echo %%i
pause>nul



Q4:
①
@echo off
for /f "delims=" %%i in (test.txt) do echo %%i
pause>nul
②
@echo off
for /f "tokens=2 delims= " %%i in (test.txt) do echo %%i
pause>nul