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letcode0

python 中的map 是函数, 不是数据类型,

python中的字典 key,value 叫做 字典 dict ;

golang中的map

package main

import "fmt"

func main() {
    var siteMap map[string]string /*创建集合 */
    siteMap = make(map[string]string)

    /* map 插入 key - value 对,各个国家对应的首都 */
    siteMap [ "Google" ] = "谷歌"
    siteMap [ "Runoob" ] = "菜鸟教程"
    siteMap [ "Baidu" ] = "百度"
    siteMap [ "Wiki" ] = "维基百科"

    /*使用键输出地图值 */ 
    for site := range siteMap {
        fmt.Println(site, "首都是", siteMap [site])
    }

    /*查看元素在集合中是否存在 */
    name, ok := siteMap [ "Facebook" ] /*如果确定是真实的,则存在,否则不存在 */
    /*fmt.Println(capital) */
    /*fmt.Println(ok) */
    if (ok) {
        fmt.Println("Facebook 的 站点是", name)
    } else {
        fmt.Println("Facebook 站点不存在")
    }
}

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