class init():
    def __init__(self, width=0, height=0, fg="white" , bg="black"):
        self.units = {"width": width, "height": height}
        self.colors = {"fg": fg, "bg": bg}

        self.board = [["." for i in range(self.units["width"])]
                      for j in range(self.units["height"])]
        self.graphics = []