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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