Random password generator

function Invoke-RandomPassword {
    <#
    .SYNOPSIS
    Calls random string of normal characters at any length noted by the length parameter.

    .DESCRIPTION
    Injects 72 characters to the Get-Random CMDlet to produce a string, then converts the string to a secure string. Once converted, the Password is displayed on the host and copied to the clipboard.

    .PARAMETER Length
    Use any length you see fit, no restriction. The default is 18 characters.

    .EXAMPLE
    PS>Invoke-RandomPassword -Count 10

    #>
        param(
            [Parameter(Mandatory=$False)]
            $Length=18
        )
        [array]$characters ='a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',
                            '1','2','3','4','5','6','7','8','9','0',
                            'A','B','C','D','E','F','G','H','J','I','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
                            '!','@','#','$','%','^','&','*','(',')'
        $pw = ($characters | Get-Random -count $Length) -join ''
        Write-Output $pw

    }