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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 _create_filter_by(self):
 """Transform the json-server filter arguments to model-resource ones."""

        filter_by = []

        for name, values in request.args.copy().lists():  # copy.lists works in py2 and py3
            if name not in _SKIPPED_ARGUMENTS:
                column = _re_column_name.search(name).group(1)

                if column not in self._model_columns:
                    continue

                for value in values:
                    if name.endswith('_ne'):
                        filter_by.append(name[:-3] + '!=' + value)
                    elif name.endswith('_lte'):
                        filter_by.append(name[:-4] + '<=' + value)
                    elif name.endswith('_gte'):
                        filter_by.append(name[:-4] + '>=' + value)
                    elif name.endswith('_like'):
                        filter_by.append(name[:-5] + '::like::%' + value + '%')
                    else:
                        filter_by.append(name.replace('__', '.') + '==' + value)

        filter_by += self._create_fulltext_query()

        return ','.join(filter_by)