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							- language_timezone_mapping = {
 
-     "en-US": "America/New_York",
 
-     "zh-Hans": "Asia/Shanghai",
 
-     "zh-Hant": "Asia/Taipei",
 
-     "pt-BR": "America/Sao_Paulo",
 
-     "es-ES": "Europe/Madrid",
 
-     "fr-FR": "Europe/Paris",
 
-     "de-DE": "Europe/Berlin",
 
-     "ja-JP": "Asia/Tokyo",
 
-     "ko-KR": "Asia/Seoul",
 
-     "ru-RU": "Europe/Moscow",
 
-     "it-IT": "Europe/Rome",
 
-     "uk-UA": "Europe/Kyiv",
 
-     "vi-VN": "Asia/Ho_Chi_Minh",
 
-     "ro-RO": "Europe/Bucharest",
 
-     "pl-PL": "Europe/Warsaw",
 
-     "hi-IN": "Asia/Kolkata",
 
-     "tr-TR": "Europe/Istanbul",
 
-     "fa-IR": "Asia/Tehran",
 
-     "sl-SI": "Europe/Ljubljana",
 
-     "th-TH": "Asia/Bangkok",
 
- }
 
- languages = list(language_timezone_mapping.keys())
 
- def supported_language(lang):
 
-     if lang in languages:
 
-         return lang
 
-     error = "{lang} is not a valid language.".format(lang=lang)
 
-     raise ValueError(error)
 
 
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