class CmdMark(Command):
    """
    Mark the current location.

    Usage:
        mark <custom mark name>

    Marks the player's current location, using the provided arguments.
    For a list of marks, simply type 'mark' with no argument.
    """
    key = "mark"

    def func(self):
        if not self.caller.db.mark:
            self.caller.db.mark = {}
        if not self.args:
            marks = self.caller.attributes.get('mark')
            print(marks)
            for x in marks:
                marked = dict(x)
            print(marked)
            return self.caller.msg(f"List of Marks: {marked}")

        self.caller.db.mark[self.args] = self.caller.location.dbref
        self.caller.msg(f"{self.args} was added to your list of marks as {self.caller.location}.")