(self, item)
return self.tk.call(self._w, "prev", item)
Returns the identifier of item's previous sibling, or '' if
        item is the first child of its parent.
Returns the identifier of item's previous sibling, or '' if
        item is the first child of its parent.
Returns the identifier of item s previous sibling or if item is the first child of its parent .
def prev(self, item):
        """Returns the identifier of item's previous sibling, or '' if
        item is the first child of its parent."""
        return self.tk.call(self._w, "prev", item)
def prev ( self , item ) : return self . tk . call ( self . _w , "prev" , item )