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

What do you need for two functions to be the same type?

What does the len() function return if passed a UTF-8 encoded string?

Which is not a valid loop construct in Go?

How will you add the number 3 to the right side? Values := []int{1, 1, 2}

What is the value of Read?