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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _grid_widgets(self):
 """ Puts all the widgets in the correct place. """

        self._family_dropdown.grid(row=0, column=0, sticky="nswe")
        self._size_dropdown.grid(row=0, column=1, sticky="nswe")
        self._properties_frame.grid(row=0, column=2, sticky="nswe")