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README.md
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README.md
@ -21,10 +21,19 @@ $ pip install flat-tree
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## Example
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## Example
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```python
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```python
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from flat_tree.accessor import FlatTreeIterator
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from flat_tree import FlatTreeIterator
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tree_iter = FlatTreeIterator()
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tree_iter = FlatTreeIterator()
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assert tree_iter.index == 0
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assert tree_iter.parent() == 1
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print("tree index: ", tree_iter.index)
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assert tree_iter.parent() == 3
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print("tree first parent: ", tree_iter.parent())
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print("tree next parent", tree_iter.parent())
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```
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Output:
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```sh
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tree index: 0
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tree first parent: 1
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tree next parent 3
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```
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```
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