English: Hello World
Greek: Γειά σου κόσμος
Polish: Witaj świecie
Portuguese: Olá mundo
Russian: Здравствуй, Мир
Vietnamese: Xin chào thế giới
Arabic: مرحبا العالم
Hebrew: שלום עולם
Hindi: नमस्ते दुनिया
Chinese: 你好世界
Japanese: こんにちは世界
Korean: 안녕하세요
Thai: สวัสดีชาวโลก
