package main

import "fmt"
import "sort"

func main() {
	p := []int{2, 3, 13, 7, 5, 11}
	fmt.Println("p ==", p)
	sort.Ints(p)
	fmt.Printf("%T p: %v\n", p, p)

	for i := 0; i < len(p); i++ {
		fmt.Printf("p[%d] == %d\n", i, p[i])
	}

	// slice index notation: (python)
	fmt.Println("p[1:4] == ", p[1:4])
	fmt.Println("p[:3] == ", p[:3])
	fmt.Println("p[4:] == ", p[4:])

	v := make([]string, 30, 1024)
	fmt.Printf("%v\n", v)
	fmt.Printf("%v\n", cap(v))
	v = append(v, "hello", "world")
	fmt.Printf("%v\n", v)

    界 := 12.34
    fmt.Printf("%v\n", 界)
}