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package main
import (
"math/rand"
"strings"
"time"
)
func newAccessCode(length int) string {
// seed the random numbergenerator
rand.Seed(time.Now().UnixNano())
// define the alphabet
chars := []rune("ABCDEFGHIJKLMNOPQRSTUVWXYZ" +
"abcdefghijklmnopqrstuvwxyz" +
"0123456789")
// build the accesscode
var b strings.Builder
for i := 0; i < length; i++ {
b.WriteRune(chars[rand.Intn(len(chars))])
}
str := b.String()
return str
}
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