docs: def print_contents(self):
          """
              Prints Contents of Table.
          """
          print "\t\t\t".join(self.columns)
          temp_list = []
          for i in self.columns:
              temp_list.append(self.get_column(i))
          for i in zip(*(temp_list)):
              print "\t\t\t".join(map(str, i))