The code (2)

    def slider(self, parent, variable, low, high, label):
        """make a slider [low,high] tied to variable"""
        widget = Scale(parent, orient='horizontal',
          from_=low, to=high,  # range of slider
          # tickmarks on the slider "axis":
          tickinterval=(high-low)/5.0,
          # the steps of the counter above the slider:
          resolution=(high-low)/100.0,
          label=label,    # label printed above the slider
          length=300,     # length of slider in pixels
          variable=variable)  # slider value is tied to variable
        widget.pack(side='top')
        return widget

    def textentry(self, parent, variable, label):
        """make a textentry field tied to variable"""
        ...