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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def bind_curses(self):
 """ Bind the theme's colors to curses's internal color pair map. This method must be called once (after curses has been initialized) before any element attributes can be accessed. Color codes and other special attributes will be mixed bitwise into a single value that can be passed into curses draw functions. """

        self._color_pair_map = {}
        self._attribute_map = {}

        for element, item in self.elements.items():
            fg, bg, attrs = item

            color_pair = (fg, bg)
            if self.use_color and color_pair != (-1, -1):
                # Curses limits the number of available color pairs, so we
                # need to reuse them if there are multiple elements with the
                # same foreground and background.
                if color_pair not in self._color_pair_map:
                    # Index 0 is reserved by curses for the default color
                    index = len(self._color_pair_map) + 1
                    curses.init_pair(index, color_pair[0], color_pair[1])
                    self._color_pair_map[color_pair] = curses.color_pair(index)
                attrs |= self._color_pair_map[color_pair]

            self._attribute_map[element] = attrs