// $G$ NTT-005 (-10) You should have used the Char class's methods such as IsLower, IsLetter etc.

        // receives char i_Character
        // returns true if i_Character represents an english upper case letter, else false
        public static bool IsEnglishUpperCaseLetter(char i_Character)
        {
            return i_Character >= 'A' && i_Character <= 'Z';
        }

        // receives char i_Character
        // returns true if i_Character represents an english lower case letter, else false
        public static bool IsEnglishLowerCaseLetter(char i_Character)
        {
            return i_Character >= 'a' && i_Character <= 'z';
        }

        // receives char i_Character
        // returns true if i_Character represents an english letter, else false
        public static bool IsEnglishLetter(char i_Character)
        {
            return IsEnglishLowerCaseLetter(i_Character) || IsEnglishUpperCaseLetter(i_Character);
        }