How to use the googletrans.constants.SPECIAL_CASES function in googletrans

the lazy dog  ->  게으른 개
        """
        dest = dest.lower().split('_', 1)[0]
        src = src.lower().split('_', 1)[0]

        if src != 'auto' and src not in LANGUAGES:
            if src in SPECIAL_CASES:
                src = SPECIAL_CASES[src]
            elif src in LANGCODES:
                src = LANGCODES[src]
            else:
                raise ValueError('invalid source language')

        if dest not in LANGUAGES:
            if dest in SPECIAL_CASES:
                dest = SPECIAL_CASES[dest]
            elif dest in LANGCODES:
                dest = LANGCODES[dest]
            else:
                raise ValueError('invalid destination language')

        if isinstance(text, list):
            result = []
            for item in text:
                translated = self.translate(item, dest=dest, src=src)
                result.append(translated)
            return result

        origin = text
        data = self._translate(text, dest, src)

        # this code will be updated when the format is changed.

jumps over  ->  이상 점프
            the lazy dog  ->  게으른 개
        """
        dest = dest.lower().split('_', 1)[0]
        src = src.lower().split('_', 1)[0]

        if src != 'auto' and src not in LANGUAGES:
            if src in SPECIAL_CASES:
                src = SPECIAL_CASES[src]
            elif src in LANGCODES:
                src = LANGCODES[src]
            else:
                raise ValueError('invalid source language')

        if dest not in LANGUAGES:
            if dest in SPECIAL_CASES:
                dest = SPECIAL_CASES[dest]
            elif dest in LANGCODES:
                dest = LANGCODES[dest]
            else:
                raise ValueError('invalid destination language')

        if isinstance(text, list):
            wm = bpy.context.window_manager
            current_step = 0
            wm.progress_begin(current_step, len(text))

            result = []
            for item in text:
                translated = self.translate(item, dest=dest, src=src)
                result.append(translated)
                current_step += 1

Advanced usage:
            >>> translations = translator.translate(['The quick brown fox', 'jumps over', 'the lazy dog'], dest='ko')
            >>> for translation in translations:
            ...    print(translation.origin, ' -> ', translation.text)
            The quick brown fox  ->  빠른 갈색 여우
            jumps over  ->  이상 점프
            the lazy dog  ->  게으른 개
        """
        dest = dest.lower().split('_', 1)[0]
        src = src.lower().split('_', 1)[0]

        if src != 'auto' and src not in LANGUAGES:
            if src in SPECIAL_CASES:
                src = SPECIAL_CASES[src]
            elif src in LANGCODES:
                src = LANGCODES[src]
            else:
                raise ValueError('invalid source language')

        if dest not in LANGUAGES:
            if dest in SPECIAL_CASES:
                dest = SPECIAL_CASES[dest]
            elif dest in LANGCODES:
                dest = LANGCODES[dest]
            else:
                raise ValueError('invalid destination language')

        if isinstance(text, list):
            result = []
            for item in text:

srcs not in SPECIAL_CASES) and (
            srcs not in LANGCODES):
        if srcs in SPECIAL_CASES:
            srcs = SPECIAL_CASES[srcs]
        elif srcs in LANGCODES:
            srcs = LANGCODES[srcs]
        else:
            jarvis.say("\nInvalid source language\nEnter again")
            srcs = jarvis.input().lower()
#   Get destination language
    jarvis.say('\nEnter destination language ')
    des = jarvis.input().lower().strip()
#   Check destination language
    while (
        des not in LANGUAGES) and (
        des not in SPECIAL_CASES) and (
            des not in LANGCODES):
        if des in SPECIAL_CASES:
            des = SPECIAL_CASES[des]
        elif des in LANGCODES:
            des = LANGCODES[des]
        else:
            jarvis.say("\nInvalid destination language\nEnter again")
            des = jarvis.input().lower()

    jarvis.say('\nEnter text ')
    tex = jarvis.input()

    performTranslation(srcs, des, tex)