class_docstr: Extends QTableWidget with some useful functions for automatic data handling
  and copy / export context menu. Can automatically format and display a variety
  of data types (see :func:`setData() <pyqtgraph.TableWidget.setData>` for more
  information.
docstr: Add new rows to the table.
  
  See :func:`setData() <pyqtgraph.TableWidget.setData>` for accepted
  data types.
docstr_tok: ["Add","new","rows","to","the","table",".","See",":","func",":","`","setData","(",")","<","pyqtgraph.TableWidget.setData",">","`","for","accepted","data","types","."]
code: def appendData(self, data):
      """
      Add new rows to the table.
  
      See :func:`setData() <pyqtgraph.TableWidget.setData>` for accepted
      data types.
      """
      startRow = self.rowCount()
  
      fn0, header0 = self.iteratorFn(data)
      if fn0 is None:
          self.clear()
          return
      it0 = fn0(data)
      try:
          first = next(it0)
      except StopIteration:
          return
      fn1, header1 = self.iteratorFn(first)
      if fn1 is None:
          self.clear()
          return
  
      firstVals = [x for x in fn1(first)]
      self.setColumnCount(len(firstVals))
  
      if not self.verticalHeadersSet and header0 is not None:
          labels = [
              self.verticalHeaderItem(i).text()
              for i in range(self.rowCount())
          ]
          self.setRowCount(startRow + len(header0))
          self.setVerticalHeaderLabels(labels + header0)
          self.verticalHeadersSet = True
      if not self.horizontalHeadersSet and header1 is not None:
          self.setHorizontalHeaderLabels(header1)
          self.horizontalHeadersSet = True
  
      i = startRow
      self.setRow(i, firstVals)
      for row in it0:
          i += 1
          self.setRow(i, [x for x in fn1(row)])
  
      if (
          self._sorting
          and self.horizontalHeadersSet
          and self.horizontalHeader().sortIndicatorSection()
          >= self.columnCount()
      ):
          self.sortByColumn(0, QtCore.Qt.SortOrder.AscendingOrder)
  
imports: import numpy
  from ..Qt import QtCore, QtGui, QtWidgets
label_desc: Use image node_id 4 for calling the TableWidget obj's underlying member method code with example usage: obj.appendData(data) without return types