parameters: (self, cell_lines)
docstring: cell_lines is an array of lines
docstring_summary: cell_lines is an array of lines
docstring_tokens: cell_lines is an array of lines
function: def append_cell(self, cell_lines):
          """cell_lines is an array of lines"""
          self._rows[-1].append(cell_lines)
          if len(self._coldefs) < len(self._rows[-1]):
              self._coldefs.append('l')
function_tokens: def append_cell ( self , cell_lines ) : self . _rows [ - 1 ] . append ( cell_lines ) if len ( self . _coldefs ) < len ( self . _rows [ - 1 ] ) : self . _coldefs . append ( 'l' )