SS
package main
import (
"fmt"
"time"
)
var m map[string]time.Duration
func main() {
start := time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC)
end := time.Date(2000, 1, 1, 12, 0, 0, 0, time.UTC)
difference := end.Sub(start)
m = make(map[string]time.Duration)
m["Bell Labs"] = difference
fmt.Println(m["Bell Labs"])
}