mapsDemo.go

func main()  {
	students := make(map[int]string)
	students[0] = "Harsh"
	students[1] = "Yash"
	fmt.Println(students)
	delete(students, 1)
	fmt.Println(students)
	students[1] = "Jain"
	for roll, name := range students{
		fmt.Printf("Roll number of %s is %d \n",name, roll)
	}
}