Create a menù | Terminal Windows guide

In this lesson I'll explane to you how to create a menù via Windows terminal
In the script, in the last if, i make an mistake ( watch and fix it ), in addition, I forgot
to put, at the end of the script, the followed lines:
echo Operation not valid.
echo.
pause
goto menu
This line it runs when press type an operation not valid or press one letter.
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► Musical background
DJ AG - Breeze
• Breeze (DJ AG Original)
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► Software used: Obs, HitFilm Express
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► English subtitles written by me
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