code: def __init__(self, *args, **kwargs):
      super().__init__(*args, **kwargs)
      panel = wx.Panel(self)
  
      # create the GUI elements
      self.createCanvas(panel)
      self.createSliders(panel)
  
      # place them in a sizer for the Layout
      sizer = wx.BoxSizer(wx.VERTICAL)
      sizer.Add(self.canvas, 1, wx.EXPAND)
      sizer.Add(
          self.frequencySliderGroup.sizer,
          0,
          wx.EXPAND | wx.ALL,
          border=5,
      )
      sizer.Add(
          self.amplitudeSliderGroup.sizer,
          0,
          wx.EXPAND | wx.ALL,
          border=5,
      )
      panel.SetSizer(sizer)
  
imports: import wx
  import numpy
  from matplotlib.backends.backend_wxagg import FigureCanvasWxAgg
  from matplotlib.figure import Figure
label_desc: Use image node_id 1 to create a new FourierDemoFrame object from inherited base classes: wx with example: obj = FourierDemoFrame()