get but not create value in map golang code example

Example 1: initialize map in golang

// By default maps in Go behaves like a default dictionary in python
m := make(map[string]int)

m["Dio"] = 3
m["Jonathan"] = 1

Example 2: dictionary golang

package main

import (
    "fmt"
)

func main() {
    dict := map[interface{}]interface{} {
        1: "hello",
        "hey": 2,
    }
    fmt.Println(dict) // map[1:hello hey:2]
}