code: def get_table(self, name):
          if name is None:
              assert self.active_table, "Can't get table without name unless an active table is set"
              name = self.active_table.name
              if self.active_worksheet:
                  table = self.active_worksheet.get_table(name)
                  assert table is self.active_table, "Active table is not from the active sheet"
                  return table, self.active_worksheet
              for ws in self.worksheets:
                  try:
                      table = ws.get_table(name)
                      if table is self.active_table:
                          return table, ws
                  except KeyError:
                      pass
              raise RuntimeError("Active table not found in any sheet")
          if "!" in name:
              ws_name, table_name = map(lambda x: x.strip("'"), name.split("!", 1))
              for ws in self.worksheets:
                  if ws.name == ws_name:
                      table = ws.get_table(table_name)
                      return table, ws
              raise KeyError(name)
          if self.active_worksheet:
              table = self.active_worksheet.get_table(name)
              return table, self.active_worksheet
          for ws in self.worksheets:
              try:
                  table = ws.get_table(name)
                  return table, ws
              except KeyError:
                  pass
          raise KeyError(name)