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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 _process_table_cells(self, table):
 """ Compile all the table cells. Returns a list of rows. The rows may have different lengths because of column spans. """


        rows = []

        for i, tr in enumerate(table.find_all('tr')):
            row = []

            for c in tr.contents:
                cell_type = getattr(c, 'name', None)

                if cell_type not in ('td', 'th'):
                    continue

                rowspan = int(c.attrs.get('rowspan', 1))
                colspan = int(c.attrs.get('colspan', 1))
                contents = self._process_children(c).strip()

                if cell_type == 'th' and i > 0:
                    contents = self._inline('**', contents)

                row.append(Cell(cell_type, rowspan, colspan, contents))

            rows.append(row)

        return rows