To check the given letter is uppercase or lowercase. (Qbasic Code)

To check the given letter is uppercase or lowercase. (Qbasic Code)
  • CLS
    INPUT "Enter a character"; a$
    ch$ = UCASE$(a$)
    IF a$ = ch$ THEN
        PRINT "It is uppercase character";
    ELSE
        PRINT "It is lowercase character";
    END IF
    END

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