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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 switch_focus(self, layout, column, widget):
 """ Switch focus to the specified widget. :param layout: The layout that owns the widget. :param column: The column the widget is in. :param widget: The index of the widget to take the focus. """

        # Find the layout to own the focus.
        for i, l in enumerate(self._layouts):
            if l is layout:
                break
        else:
            # No matching layout - give up now
            return

        self._layouts[self._focus].blur()
        self._focus = i
        self._layouts[self._focus].focus(force_column=column,
                                         force_widget=widget)