Wei-Ting Kuo waitingkuo

## test
HostName=customvision.azure-devices.net;DeviceId=tommy;SharedAccessKey=uNmP791u11tQ3jsIhpHyUhbXUDLEKWNq2EGvq1hD0VU=

## meteorid.go
package main

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

var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")

## xor.go
func xor(x1, x2 byte) byte {

    return (x1 | x2) & ^(x1 & x2)

}
	package main

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

	var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")