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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 set_rows(self, index, values=None):
 """ Set rows to a single value or list of values. If any of the index values are not in the current indexes then a new row will be created. :param index: list of index values or list of booleans. If a list of booleans then the list must be the same\ length as the Series :param values: either a single value or a list. The list must be the same length as the index list if the index\ list is values, or the length of the True values in the index list if the index list is booleans :return: nothing """

        if all([isinstance(i, bool) for i in index]):  # boolean list
            if not isinstance(values, (list, blist)):  # single value provided, not a list, so turn values into list
                values = [values for x in index if x]
            if len(index) != len(self._index):
                raise ValueError('boolean index list must be same size of existing index')
            if len(values) != index.count(True):
                raise ValueError('length of values list must equal number of True entries in index list')
            indexes = [i for i, x in enumerate(index) if x]
            for x, i in enumerate(indexes):
                self._data[i] = values[x]
        else:  # list of index
            if not isinstance(values, (list, blist)):  # single value provided, not a list, so turn values into list
                values = [values for _ in index]
            if len(values) != len(index):
                raise ValueError('length of values and index must be the same.')
            # insert or append indexes as needed
            if self._sort:
                exists_tuples = list(zip(*[sorted_exists(self._index, x) for x in index]))
                exists = exists_tuples[0]
                indexes = exists_tuples[1]
                if not all(exists):
                    self._insert_missing_rows(index)
                    indexes = [sorted_index(self._index, x) for x in index]
            else:
                try:  # all index in current index
                    indexes = [self._index.index(x) for x in index]
                except ValueError:  # new rows need to be added
                    self._add_missing_rows(index)
                    indexes = [self._index.index(x) for x in index]
            for x, i in enumerate(indexes):
                self._data[i] = values[x]