package main
import (
"fmt"
"math/rand"
"time"
)
func main() {
fmt.Print(rand.Intn(100), ",")
fmt.Print(rand.Intn(100))
fmt.Println()
fmt.Println(rand.Float64())
fmt.Print((rand.Float64()*5)+5, ",")
fmt.Print((rand.Float64() * 5) + 5)
fmt.Println()
s1 := rand.NewSource(time.Now().UnixNano())
r1 := rand.New(s1)
fmt.Print(r1.Intn(100), ",")
fmt.Print(r1.Intn(100))
fmt.Println()
s2 := rand.NewSource(42)
r2 := rand.New(s2)
fmt.Print(r2.Intn(100), ",")
fmt.Print(r2.Intn(100))
fmt.Println()
s3 := rand.NewSource(42)
r3 := rand.New(s3)
fmt.Print(r3.Intn(100), ",")
fmt.Print(r3.Intn(100))
}$ go run random-numbers.go
81,87
0.6645600532184904
7.123187485356329,8.434115364335547
0,28
5,87
5,87