using System; using System.Collections.Generic; namespace LanguageTranslator { public class Translator { private Dictionary> translations; public Translator() { translations = new Dictionary> { { "en", new Dictionary { { "hello", "Hello" }, { "world", "World" } } }, { "es", new Dictionary { { "hello", "Hola" }, { "world", "Mundo" } } }, { "fr", new Dictionary { { "hello", "Bonjour" }, { "world", "Monde" } } } }; } public string Translate(string word, string fromLanguage, string toLanguage) { if (translations.ContainsKey(fromLanguage) && translations[fromLanguage].ContainsKey(word)) { string translatedWord = translations[fromLanguage][word]; foreach (var entry in translations[toLanguage]) { if (entry.Value.Equals(translatedWord, StringComparison.OrdinalIgnoreCase)) { return entry.Key; } } } return "Translation not found"; } } class Program { static void Main(string[] args) { Translator translator = new Translator(); Console.WriteLine("Enter a word to translate:"); string word = Console.ReadLine(); Console.WriteLine("Enter the source language (en, es, fr):"); string fromLanguage = Console.ReadLine(); Console.WriteLine("Enter the target language (en, es, fr):"); string toLanguage = Console.ReadLine(); string translatedWord = translator.Translate(word.ToLower(), fromLanguage.ToLower(), toLanguage.ToLower()); Console.WriteLine($"Translated word: {translatedWord}"); } } }