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Print IsEmpty(sVar) REM Returns True
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Clue
PRINT UBOUND(SVAR()) REM DEVUELVE 20
PRINT ISEMPTY(SVAR) REM DEVUELVE TRUE
PRINT LCASE(SVAR) REM DEVUELVE " LAS VEGAS "
PRINT ISNUMERIC(VVAR) REM DEVUELVE TRUE
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