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如何生成随机数?

package main

import (
"fmt"
"math/rand"
"time"
)

func main() {
rand.Seed(time.Now().Unix())
fmt.Println("My first lucky number is", rand.Intn(10)) //生成随机数字0-9
fmt.Println("My senond lucky number is", rand.Intn(10)) //生成随机数字0-9
}

用到的API