def hasUser(self, id):
        try:
            self.getUser(id)
            return True
        except KeyError:
            return False
Returns a str-keyed dictionary with uppercase keys.
dataset/ETHPy150Open ProgVal/Limnoria/src/ircdb.py/UsersDictionary.hasUser--crossover with--dataset/ETHPy150Open nschloe/betterbib/betterbib/dictdiffer.py/_to_uppercase_keys