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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 normalize(self):
 """Return the unicode character represented by the HTML entity."""

        chrfunc = chr if py3k else HTMLEntity._unichr
        if self.named:
            return chrfunc(htmlentities.name2codepoint[self.value])
        if self.hexadecimal:
            return chrfunc(int(self.value, 16))
        return chrfunc(int(self.value))