parameters: (self, fraction)
docstring: Adjusts the view in the window so that FRACTION of the
          total height of the canvas is off-screen to the top.
docstring_summary: Adjusts the view in the window so that FRACTION of the
          total height of the canvas is off-screen to the top.
docstring_tokens: Adjusts the view in the window so that FRACTION of the total height of the canvas is off - screen to the top .
function: def yview_moveto(self, fraction):
          """Adjusts the view in the window so that FRACTION of the
          total height of the canvas is off-screen to the top."""
          self.tk.call(self._w, 'yview', 'moveto', fraction)
function_tokens: def yview_moveto ( self , fraction ) : self . tk . call ( self . _w , 'yview' , 'moveto' , fraction )