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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 from_dict(self, dictionary, **kwargs):
 """ Direct translation, so the value for one key might be a list or a single value. :param dictionary: The info :return: A class instance or raise an exception on error """


        _spec = self.c_param

        for key, val in dictionary.items():
            # Earlier versions of python don't like unicode strings as
            # variable names
            if val == "" or val == [""]:
                continue

            skey = str(key)
            try:
                (vtyp, req, _, _deser, null_allowed) = _spec[key]
            except KeyError:
                # might be a parameter with a lang tag
                try:
                    _key, lang = skey.split("#")
                except ValueError:
                    try:
                        (vtyp, _, _, _deser, null_allowed) = _spec['*']
                        if val is None:
                            self._dict[key] = val
                            continue
                    except KeyError:
                        self._dict[key] = val
                        continue
                else:
                    try:
                        (vtyp, req, _, _deser, null_allowed) = _spec[_key]
                    except KeyError:
                        try:
                            (vtyp, _, _, _deser, null_allowed) = _spec['*']
                            if val is None:
                                self._dict[key] = val
                                continue
                        except KeyError:
                            self._dict[key] = val
                            continue

            self._add_value(skey, vtyp, key, val, _deser, null_allowed)
        return self