code: def table_abcd():
      
      table_instance = SingleTable([['A', 'B'], ['C', 'D']])
  
      # Get first table lines.
      table_instance.outer_border = False
      table_inner_borders = table_instance.table.splitlines()
  
      # Get second table lines.
      table_instance.outer_border = True
      table_instance.inner_heading_row_border = False
      table_instance.inner_column_border = False
      table_outer_borders = table_instance.table.splitlines()
  
      # Combine.
      smallest, largest = sorted([table_inner_borders, table_outer_borders], key=len)
      smallest += [''] * (len(largest) - len(smallest))  # Make both same size.
      combined = list()
      for i, row in enumerate(largest):
          combined.append(row.ljust(10) + '          ' + smallest[i])
      return '\n'.join(combined)
docs: Return table string to be printed. Two tables on one line.