Bst delete#11
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julienawilson wants to merge 13 commits into
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… test for contains
bgarnaat
reviewed
Jan 25, 2017
| pre_order(self): Return a generator that returns each node value from pre-order traversal. | ||
| post_order(self): Return a generator that returns each node value from post_order traversal. | ||
| breadth_first(self): Return a generator returns each node value from breadth-first traversal. | ||
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bgarnaat
reviewed
Jan 25, 2017
| * pre_order(self): Return a generator that returns each node value from pre-order traversal. | ||
| * post_order(self): Return a generator that returns each node value from post_order traversal. | ||
| * breadth_first(self): Return a generator returns each node value from breadth-first traversal. | ||
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bgarnaat
reviewed
Jan 25, 2017
| b_tree = BinarySearchTree() | ||
| b_tree.insert(17) | ||
| b_tree.insert(43) | ||
| import pdb; pdb.set_trace() |
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You probably shouldn't need this on github.
bgarnaat
reviewed
Jan 25, 2017
| trav_list.enqueue(current_node.right) | ||
| yield current_node | ||
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| def delete(self, value): |
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Delete breaks with empty tree. See assignment for how to handle this.
In [2]: bst = BinarySearchTree()
In [3]: bst.delete(1)
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AttributeError: 'NoneType' object has no attribute 'value'
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