编辑代码

package main
import "fmt"
func main () {
  
    countryCapitalMap := map[string]string{
        "France":"Paris",
        "Italy":"Rome",
        "Japan":"Tokyo",
        "India":"New delhi",
    }

    fmt.Println("原始地图")


    /*打印地图*/

    for country :=range countryCapitalMap{
        fmt.Println(country,"首都是",countryCapitalMap[country])
    }

    /*删除元素*/delete(countryCapitalMap,"France")
    fmt.Println("法国条目被删除")

    fmt.Println("删除元素后的地图")


    for country :=range countryCapitalMap{
        fmt.Println(country,"首都是",countryCapitalMap[country])
    }
}