package mainimport "fmt"func main (){var countryCaptiaMap map[string]string/*創建集合*/countryCaptiaMap =make(map[string]string)//10/*map中插入k-v對 ，各個國家的首都*/countryCaptiaMap["France"] = "Paris"countryCaptiaMap["Italy"] = "Rome"countryCaptiaMap["Japan"] = "tokyo"countryCaptiaMap["India"] = "New Delhi"/*使用key輸出map值*/for country :=range countryCaptiaMap{fmt.Println("Caption == ",country, "it`s ",countryCaptiaMap[country])}//20/*查看元素在集合中是否存在*/caption ,ok :=countryCaptiaMap["United States"]if(ok){fmt.Println("Caption of Unite States is", caption)}else {fmt.Println("不存在")}/*打印原始Map*///30for country := range countryCaptiaMap {fmt.Println("Caption of",country ,"is",countryCaptiaMap[country])}/*刪除元素*/delete (countryCaptiaMap, "France")/**打印現在的Map*/for country := range countryCaptiaMap {fmt.Println("Caption of",country ,"is",countryCaptiaMap[country])} }
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