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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 uhash(self, val):
 """Calculate hash from unicode value and return hex value as unicode"""


        if not isinstance(val, string_types):
            raise _TypeError("val", "str", val)

        return codecs.encode(self.hash(val.encode("utf-8")), "hex_codec").decode("utf-8")