>>> table_data = [['a', 'b', 'c'], ['aaaaaaaaaa', 'b', 'c'], ['a', 'bbbbbbbbbb', 'c']]
>>> for row in table_data:
...     print("{: >20} {: >20} {: >20}".format(*row))
...
                   a                    b                    c
          aaaaaaaaaa                    b                    c
                   a           bbbbbbbbbb                    c