Question: What is an idiomatic way to customize the representation of a custom struct in a formatted string?

1. There is no customizing the string representation of a type.
2. Build it in pieces each time by calling individual fields.
3. Implement a method `String()` string
4. Create a wrapper function that accepts your type and outputs a string.

Answer: The correct answer of the above question is Option C:Implement a method `String()` string