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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 codepoint_included(self, codepoint):
 """Check if codepoint matches any of the defined codepoints."""

        if self.codepoints == None:
            return True
        for cp in self.codepoints:
            mismatch = False
            for i in range(len(cp)):
                if (cp[i] is not None) and (cp[i] != codepoint[i]):
                    mismatch = True
                    break
            if not mismatch:
                return True
        return False