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// Define exchange rates const exchangeRates = { "USD": {"EUR": 0.84, "GBP": 0.72, "JPY": 110.61}, "EUR": {"USD": 1.19, "GBP": 0.86, "JPY": 132.29}, "GBP": {"USD": 1.39, "EUR": 1.17, "JPY": 152.57}, "JPY": {"USD": 0.0091, "EUR": 0.0076, "GBP": 0.0065} }; // Function to convert currency function convertCurrency(amount, fromCurrency, toCurrency) { // Calculate exchange rate and converted amount let exchangeRate = exchangeRates[fromCurrency][toCurrency]; let convertedAmount = amount * exchangeRate; // Return converted amount return convertedAmount.toFixed(2); } // Example usage let amount = 100; let fromCurrency = "USD"; let toCurrency = "EUR"; let convertedAmount = convertCurrency(amount, fromCurrency, toCurrency); console.log(amount + " " + fromCurrency + " = " + convertedAmount + " " + toCurrency);

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