Godot timestap code

func getTimeStamp(millisec):
    var seconds = (millisec / 1000)
    var minutes = floor(seconds / 60)
    var hours = 0
    if minutes > 59:
        hours = floor(minutes / 60)
        minutes = minutes - (hours * 60)

    seconds = floor(seconds % 60)
    var str_hours = str(hours) if (hours >= 10) else "0" + str(hours)
    var str_mins = str(minutes) if (minutes >= 10) else "0" + str(minutes)
    var str_secs = str(seconds) if (seconds >= 10) else "0" + str(seconds)
    if hours != 0:
        return str_hours + ":" + str_mins + ":" + str_secs
    return str_mins + ":" + str_secs