def addChild(self, child, index=Last):
    'Add `child` to self\n\n        Arguments:\n            child (Node): Child to add\n            index (int, optional): Physical location in hierarchy,\n                defaults to cmdx.Last\n\n        Example:\n            >>> parent = createNode("transform")\n            >>> child = createNode("transform")\n            >>> parent.addChild(child)\n\n        '
    mobject = child._mobject
    self._fn.addChild(mobject, index)
Add `child` to self

Arguments:
    child (Node): Child to add
    index (int, optional): Physical location in hierarchy,
        defaults to cmdx.Last

Example:
    >>> parent = createNode("transform")
    >>> child = createNode("transform")
    >>> parent.addChild(child)
def addChild(self, child, index=Last):
    'Add `child` to self\n\n        Arguments:\n            child (Node): Child to add\n            index (int, optional): Physical location in hierarchy,\n                defaults to cmdx.Last\n\n        Example:\n            >>> parent = createNode("transform")\n            >>> child = createNode("transform")\n            >>> parent.addChild(child)\n\n        '
    mobject = child._mobject
    self._fn.addChild(mobject, index)