#Clears the console
Clear-Host

function requestMonitors()
{
    $monitorlists = New-Object System.Collections.ArrayList
    [int] $monitors = Read-Host("How many monitors do you have? ")
    if ( [int]$monitors -ge 1 )
    {
        for ($i=1; $i -le $monitors; $i++)
        {
            $input = Read-Host "What is the serial number of the " $i "Monitor? "
            $monitorlists += $input
        }
        foreach($serialnumber in $monitorlists)
        {
            Write-Host($serialnumber)
            Write-Host("`n")
        }
        return $monitorlists
    }
    else
    {
        Write-Host("You expect me to believe you don't use any monitors... ")
        requestMonitors
    }
}

$myList = requestMonitors

$key = Read-Host "Hit enter to Exit or e to export list"
if($key -eq "e"){
    $myList | Out-File -FilePath ExportedList.txt
}