def __init__(self):
super(AsciiStyle, self).__init__(u'<STR_LIT>', u'<STR_LIT>', u'<STR_LIT>')<EOL>
Ascii style.

>>> from anytree import Node, RenderTree
>>> root = Node("root")
>>> s0 = Node("sub0", parent=root)
>>> s0b = Node("sub0B", parent=s0)
>>> s0a = Node("sub0A", parent=s0)
>>> s1 = Node("sub1", parent=root)

>>> print(RenderTree(root, style=AsciiStyle()))
Node('/root')
|-- Node('/root/sub0')
|   |-- Node('/root/sub0/sub0B')
|   +-- Node('/root/sub0/sub0A')
+-- Node('/root/sub1')