To print input string in alternate capital letters. (Qbasic Code)

To print input string in alternate capital letters. (if user inputs 'COMPUTER' or 'computer' then the output should be 'CoMpUtEr') (Qbasic Code)

• CLS
  INPUT "Enter string:"; 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
  PRINT "The required alternate is: "; alt$
  END
   

• See Also
• Using SUB Procedure
• Using FUNCTION Procedure