Go语言生成随机数的方法

package main
      
import (
    "fmt"
    "math/rand"
)
      
func main() {
    for i:=0; i10; i++ {
        fmt.Println(rand.Intn(100))
    }
}

package main
   
import (
    "fmt"
    "time"
    "math/rand"
)
   
func main() {
    r := rand.New(rand.NewSource(time.Now().UnixNano()))
    for i:=0; i10; i++ {
        fmt.Println(r.Intn(100))
    }
}