// You can edit this code!
// Click here and start typing.
package main

import (
	"encoding/json"
	"fmt"
)

func main() {
	input := `{
    "aa": "bb",
    "636": {
        55538944: [
            {
                "bi": {},
                "clk": "99#null-null-null#55538944#dct&&&&",
                "deliveryId": 55538944,
                "itemid": "20373"
            }
        ]
    }
}`
	var data map[string]interface{}
	if err := json.Unmarshal([]byte(input), &data); err != nil {
		fmt.Printf("errors\n %v", err)
	}
	fmt.Println(data)
	fmt.Println("Hello, 世界")
}