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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 foreground(self):
 """Print 256 foreground colors"""

        code = self.ESC + "38;5;"
        if str(self.color).isdigit():
            self.reverse_dict()
            color = self.reserve_paint[str(self.color)]
            return code + self.paint[color] + self.END
        elif self.color.startswith("#"):
            return code + str(self.HEX) + self.END
        else:
            return code + self.paint[self.color] + self.END