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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 genhash(self, package, code):
 """Generate a hash from code."""

        return hex(checksum(
            hash_sep.join(
                str(item) for item in (VERSION_STR,)
                + self.__reduce__()[1]
                + (package, code)
            ).encode(default_encoding),
        ))