How do you declare and initialize a map in Go?

var myMap map[string]int
myMap := make(map[string]int)
myMap := map[string]int{}
myMap := new(map[string]int)

In Go, you can declare and initialize a map using the syntax myMap := map[string]int{}. This creates an empty map of type map[string]int. You can also use the make function to create a map with an initial capacity, but the most common way to create a map is with the curly braces {} as shown in option 3. This initializes an empty map that you can populate with key-value pairs.

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