编辑代码

package main//包名
import (
    "fmt"
    "time"
)

func main(){
    var a int=1100
    var b int 
    // 局部变量
    B :="asd12"
    fmt.Printf("type of a,b,B: %T, %T, %T\n",a,b,B)
    fmt.Println("a=",a)
    fmt.Println("hell")
    time.Sleep(1*time.Second)
    var aa,bb int=11,12
    fmt.Println("aa,bb",aa,bb)
    var(
        asd int = 123
        qwe bool = false
    )
    fmt.Println("asd,qwe",asd,qwe)
    fmt.Printf("type of a,b,B: %T, %T, %T,%T\n",aa,bb,asd,qwe)
}