Go Golang - multi column map

Go Golang - multi column map

package main

import "fmt"

func main() {
	
	// a map of other maps
	elements:= map[string]map[string]string {
		"H":map[string]string {
			"name":"Hydrogen",
			"state":"gas",
		},
		"He":map[string]string {
			"name":"Helium",
			"state":"gas",
		},
		"Li":map[string]string {
			"name":"Lithium",
			"state":"solid",
		},
		"Be":map[string]string {
			"name":"Beryllium",
			"state":"solid",
		},
		"B":map[string]string {
			"name":"Boron",
			"state":"solid",
		},
	}
	
	if el,ok:=elements["Li"]; ok {
		fmt.Println(el["name"], el["state"])
	}
}