(self)
Skip yielding current node's (last yielded node's) subtrees.

        Examples
        --------
        >>> from sympy.core import symbols
        >>> from sympy.core.basic import preorder_traversal
        >>> x, y, z = symbols('x y z')
        >>> pt = preorder_traversal((x+y*z)*z)
        >>> for i in pt:
        ...     print(i)
        ...     if i == x+y*z:
        ...             pt.skip()
        z*(x + y*z)
        z
        x + y*z
Skip yielding current node's (last yielded node's) subtrees.
Skip yielding current node s ( last yielded node s ) subtrees .
def skip(self):
        """
        Skip yielding current node's (last yielded node's) subtrees.

        Examples
        --------
        >>> from sympy.core import symbols
        >>> from sympy.core.basic import preorder_traversal
        >>> x, y, z = symbols('x y z')
        >>> pt = preorder_traversal((x+y*z)*z)
        >>> for i in pt:
        ...     print(i)
        ...     if i == x+y*z:
        ...             pt.skip()
        z*(x + y*z)
        z
        x + y*z
        """
        self._skip_flag = True
def skip ( self ) : self . _skip_flag = True