How to audit user's AD group membership?

Audit_Users.ps1

# License: GNU General Public License v2.0
# Author: Miguel 
# Website: www.techlogist.net
# Post: https://techlogist.net/powershell/how-to-audit-users-ad-group-membership/
# Description: Audit user’s AD group membership
# OS/Language/Region: Windows/EN-US

$User_List= "C:\Users\Administrator\Desktop\Users.txt"
$Group_List= "C:\Users\Administrator\Desktop\Groups.txt"
$Output_CSV= "C:\Users\Administrator\Desktop\GroupsInfo.CSV"

$Users= Get-Content $User_List
$Groups= Get-Content $Group_List

foreach ($user in $Users) {
    foreach ($group in $Groups) {
        $members = Get-ADGroupMember -Identity $group -Recursive | Select -ExpandProperty SamAccountName

        If ($members -contains $user) {
           "$user;$group;Present;"|Add-Content $Output_CSV -Encoding UTF8
        } Else {
           "$user;$group;Not Present;"|Add-Content $Output_CSV -Encoding UTF8
        }
    }
}