To print input string in alternate capital letters using FUNCTION procedure.

To print input string in alternate capital letters using FUNCTION procedure. (if user inputs 'COMPUTER' then the output should be 'CoMpUtEr') (QBasic Code)
  • DECLARE FUNCTION alternate$(a$)
    CLS
    INPUT "Enter string:"; a$
    PRINT "The required alternate is: "; alternate$(a$)
    END

    FUNCTION alternate$ (a$)
    FOR i = 1 TO LEN(a$)
        b$ = MID$(a$, i, 1)
        IF i MOD 2 = 0 THEN
            b$ = LCASE$(b$)
        ELSE
            b$ = UCASE$(b$)
        END IF
        alt$ = alt$ + b$
    NEXT i
    alternate$ = alt$
    'PRINT "The required alternate is: "; alt$
    END FUNCTION

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