(self, item)
return self.tk.getboolean(self.tk.call(self._w, "exists", item))
Returns True if the specified item is present in the tree,
        False otherwise.
Returns True if the specified item is present in the tree,
        False otherwise.
Returns True if the specified item is present in the tree False otherwise .
def exists(self, item):
        """Returns True if the specified item is present in the tree,
        False otherwise."""
        return self.tk.getboolean(self.tk.call(self._w, "exists", item))
def exists ( self , item ) : return self . tk . getboolean ( self . tk . call ( self . _w , "exists" , item ) )