Mastering WidgetKit in SwiftUI 4, iOS 16 with Dynamic Island - Exchange Rate Service

This video tutorial guides viewers through creating an exchange rate service. It covers setting up the service, defining a function with parameters, constructing a URL for API requests, fetching data, handling errors, decoding JSON responses, and testing the service within an app. The tutorial emphasizes using async and await for asynchronous operations and ensures the service returns the correct exchange rate data.

Describe the process of constructing the URL for the API call.

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How does the service ensure that the response from the API is valid?

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What changes were made to fix the error related to the try keyword?

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What is the expected output when the service is called successfully?

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