package main
import "fmt"
func array1() {
  var a = [5]int{1, 2, 3}
  for i, c := range a {
  fmt.Printf("%d - %d\n", i, c)
  }
  fmt.Printf("%v\n", a)
  var b = [...]float64{1.0, 2.3, 1.9}
  fmt.Printf("%v - %.2f length=%d\n", b, b[0], len(b))
  students := [][]string{}
  boys := []string{"小王", "小李", "小张"}
  girls := []string{"小美", "小圆", "小花"}
  students = append(students, boys)
  students = append(students, girls)
  for i, student := range students {
  fmt.Printf("row=%d,stu=%v\n", i, student)
  for j, d := range student {
    fmt.Printf("row=%d,id=%d,name=%v\n", i, j, d)
  }
  }
}
func main() {
  array1()
}