


"""simple docstring"""
from __future__ import annotations

import unittest
from collections.abc import Iterator




class   lowercase__							:





   def __init__(       self			,      SCREAMING_SNAKE_CASE			,      SCREAMING_SNAKE_CASE)     ->     None:
      _lowerCamelCase  :				Any      =		label
      _lowerCamelCase  :				Optional[Any]      =		parent
      _lowerCamelCase  :				Node | None      =		None
      _lowerCamelCase  :				Node | None      =		None







class   lowercase__							:





   def __init__(       self)     ->     None:
      _lowerCamelCase  :				Node | None      =		None





   def 		UpperCamelCase_     (       self)     ->     None:
      _lowerCamelCase  :				Tuple      =		None





   def 		UpperCamelCase_     (       self)     ->     bool:
      return self.root is None





   def 		UpperCamelCase_     (       self			,      SCREAMING_SNAKE_CASE)     ->     None:
      _lowerCamelCase  :				List[Any]      =		self._put(self.root			,      SCREAMING_SNAKE_CASE)





   def 		UpperCamelCase_     (       self			,      SCREAMING_SNAKE_CASE			,      SCREAMING_SNAKE_CASE			,      SCREAMING_SNAKE_CASE = None)     ->     Node:
      if node is None:
         _lowerCamelCase  :				List[Any]      =		Node(SCREAMING_SNAKE_CASE			,      SCREAMING_SNAKE_CASE)
      else:
         if label < node.label:
            _lowerCamelCase  :				Optional[int]      =		self._put(node.left			,      SCREAMING_SNAKE_CASE			,      SCREAMING_SNAKE_CASE)
         elif label > node.label:
            _lowerCamelCase  :				List[str]      =		self._put(node.right			,      SCREAMING_SNAKE_CASE			,      SCREAMING_SNAKE_CASE)
         else:
            _lowerCamelCase  :				int      =		F'Node with label {label} already exists'
            raise Exception(SCREAMING_SNAKE_CASE)

      return node





   def 		UpperCamelCase_     (       self			,      SCREAMING_SNAKE_CASE)     ->     Node:
      return self._search(self.root			,      SCREAMING_SNAKE_CASE)





   def 		UpperCamelCase_     (       self			,      SCREAMING_SNAKE_CASE			,      SCREAMING_SNAKE_CASE)     ->     Node:
      if node is None:
         _lowerCamelCase  :				Optional[Any]      =		F'Node with label {label} does not exist'
         raise Exception(SCREAMING_SNAKE_CASE)
      else:
         if label < node.label:
            _lowerCamelCase  :				Union[str, Any]      =		self._search(node.left			,      SCREAMING_SNAKE_CASE)
         elif label > node.label:
            _lowerCamelCase  :				Any      =		self._search(node.right			,      SCREAMING_SNAKE_CASE)

      return node





   def 		UpperCamelCase_     (       self			,      SCREAMING_SNAKE_CASE)     ->     None:
      _lowerCamelCase  :				Tuple      =		self.search(SCREAMING_SNAKE_CASE)
      if node.right and node.left:
         _lowerCamelCase  :				List[str]      =		self._get_lowest_node(node.right)
         _lowerCamelCase  :				Optional[int]      =		node.left
         _lowerCamelCase  :				Dict      =		node.right
         _lowerCamelCase  :				Any      =		lowest_node
         if node.right:
            _lowerCamelCase  :				Dict      =		lowest_node
         self._reassign_nodes(SCREAMING_SNAKE_CASE			,      SCREAMING_SNAKE_CASE)
      elif not node.right and node.left:
         self._reassign_nodes(SCREAMING_SNAKE_CASE			,      node.left)
      elif node.right and not node.left:
         self._reassign_nodes(SCREAMING_SNAKE_CASE			,      node.right)
      else:
         self._reassign_nodes(SCREAMING_SNAKE_CASE			,      SCREAMING_SNAKE_CASE)





   def 		UpperCamelCase_     (       self			,      SCREAMING_SNAKE_CASE			,      SCREAMING_SNAKE_CASE)     ->     None:
      if new_children:
         _lowerCamelCase  :				Optional[Any]      =		node.parent

      if node.parent:
         if node.parent.right == node:
            _lowerCamelCase  :				Optional[Any]      =		new_children
         else:
            _lowerCamelCase  :				Union[str, Any]      =		new_children
      else:
         _lowerCamelCase  :				Tuple      =		new_children





   def 		UpperCamelCase_     (       self			,      SCREAMING_SNAKE_CASE)     ->     Node:
      if node.left:
         _lowerCamelCase  :				int      =		self._get_lowest_node(node.left)
      else:
         _lowerCamelCase  :				int      =		node
         self._reassign_nodes(SCREAMING_SNAKE_CASE			,      node.right)

      return lowest_node





   def 		UpperCamelCase_     (       self			,      SCREAMING_SNAKE_CASE)     ->     bool:
      try:
         self.search(SCREAMING_SNAKE_CASE)
         return True
      except Exception:
         return False





   def 		UpperCamelCase_     (       self)     ->     int:
      if self.root is None:
         raise Exception("""Binary search tree is empty""")

      _lowerCamelCase  :				Optional[Any]      =		self.root
      while node.right is not None:
         _lowerCamelCase  :				int      =		node.right

      return node.label





   def 		UpperCamelCase_     (       self)     ->     int:
      if self.root is None:
         raise Exception("""Binary search tree is empty""")

      _lowerCamelCase  :				Optional[Any]      =		self.root
      while node.left is not None:
         _lowerCamelCase  :				List[str]      =		node.left

      return node.label





   def 		UpperCamelCase_     (       self)     ->     Iterator[Node]:
      return self._inorder_traversal(self.root)





   def 		UpperCamelCase_     (       self			,      SCREAMING_SNAKE_CASE)     ->     Iterator[Node]:
      if node is not None:
         yield from self._inorder_traversal(node.left)
         yield node
         yield from self._inorder_traversal(node.right)





   def 		UpperCamelCase_     (       self)     ->     Iterator[Node]:
      return self._preorder_traversal(self.root)





   def 		UpperCamelCase_     (       self			,      SCREAMING_SNAKE_CASE)     ->     Iterator[Node]:
      if node is not None:
         yield node
         yield from self._preorder_traversal(node.left)
         yield from self._preorder_traversal(node.right)







class   lowercase__							(				unittest.TestCase							):





   @staticmethod
   def 		UpperCamelCase_     (       )     ->     BinarySearchTree:
      _lowerCamelCase  :				List[Any]      =		BinarySearchTree()
      t.put(8)
      t.put(3)
      t.put(6)
      t.put(1)
      t.put(10)
      t.put(14)
      t.put(13)
      t.put(4)
      t.put(7)
      t.put(5)

      return t





   def 		UpperCamelCase_     (       self)     ->     None:
      _lowerCamelCase  :				Optional[int]      =		BinarySearchTree()
      assert t.is_empty()

      t.put(8)
      assert t.root is not None
      assert t.root.parent is None
      assert t.root.label == 8

      t.put(10)
      assert t.root.right is not None
      assert t.root.right.parent == t.root
      assert t.root.right.label == 10

      t.put(3)
      assert t.root.left is not None
      assert t.root.left.parent == t.root
      assert t.root.left.label == 3

      t.put(6)
      assert t.root.left.right is not None
      assert t.root.left.right.parent == t.root.left
      assert t.root.left.right.label == 6

      t.put(1)
      assert t.root.left.left is not None
      assert t.root.left.left.parent == t.root.left
      assert t.root.left.left.label == 1

      with self.assertRaises(SCREAMING_SNAKE_CASE):  # noqa: B017
         t.put(1)





   def 		UpperCamelCase_     (       self)     ->     None:
      _lowerCamelCase  :				List[str]      =		self._get_binary_search_tree()

      _lowerCamelCase  :				Union[str, Any]      =		t.search(6)
      assert node.label == 6

      _lowerCamelCase  :				Optional[Any]      =		t.search(13)
      assert node.label == 13

      with self.assertRaises(SCREAMING_SNAKE_CASE):  # noqa: B017
         t.search(2)





   def 		UpperCamelCase_     (       self)     ->     None:
      _lowerCamelCase  :				List[str]      =		self._get_binary_search_tree()

      t.remove(13)
      assert t.root is not None
      assert t.root.right is not None
      assert t.root.right.right is not None
      assert t.root.right.right.right is None
      assert t.root.right.right.left is None

      t.remove(7)
      assert t.root.left is not None
      assert t.root.left.right is not None
      assert t.root.left.right.left is not None
      assert t.root.left.right.right is None
      assert t.root.left.right.left.label == 4

      t.remove(6)
      assert t.root.left.left is not None
      assert t.root.left.right.right is not None
      assert t.root.left.left.label == 1
      assert t.root.left.right.label == 4
      assert t.root.left.right.right.label == 5
      assert t.root.left.right.left is None
      assert t.root.left.left.parent == t.root.left
      assert t.root.left.right.parent == t.root.left

      t.remove(3)
      assert t.root is not None
      assert t.root.left.label == 4
      assert t.root.left.right.label == 5
      assert t.root.left.left.label == 1
      assert t.root.left.parent == t.root
      assert t.root.left.left.parent == t.root.left
      assert t.root.left.right.parent == t.root.left

      t.remove(4)
      assert t.root.left is not None
      assert t.root.left.left is not None
      assert t.root.left.label == 5
      assert t.root.left.right is None
      assert t.root.left.left.label == 1
      assert t.root.left.parent == t.root
      assert t.root.left.left.parent == t.root.left





   def 		UpperCamelCase_     (       self)     ->     None:
      _lowerCamelCase  :				Any      =		self._get_binary_search_tree()

      t.remove(3)
      assert t.root is not None
      assert t.root.left is not None
      assert t.root.left.left is not None
      assert t.root.left.right is not None
      assert t.root.left.right.left is not None
      assert t.root.left.right.right is not None
      assert t.root.left.label == 4
      assert t.root.left.right.label == 6
      assert t.root.left.left.label == 1
      assert t.root.left.right.right.label == 7
      assert t.root.left.right.left.label == 5
      assert t.root.left.parent == t.root
      assert t.root.left.right.parent == t.root.left
      assert t.root.left.left.parent == t.root.left
      assert t.root.left.right.left.parent == t.root.left.right





   def 		UpperCamelCase_     (       self)     ->     None:
      _lowerCamelCase  :				str      =		self._get_binary_search_tree()
      t.empty()
      assert t.root is None





   def 		UpperCamelCase_     (       self)     ->     None:
      _lowerCamelCase  :				Optional[Any]      =		self._get_binary_search_tree()
      assert not t.is_empty()

      t.empty()
      assert t.is_empty()





   def 		UpperCamelCase_     (       self)     ->     None:
      _lowerCamelCase  :				Dict      =		self._get_binary_search_tree()

      assert t.exists(6)
      assert not t.exists(-1)





   def 		UpperCamelCase_     (       self)     ->     None:
      _lowerCamelCase  :				str      =		self._get_binary_search_tree()

      assert t.get_max_label() == 14

      t.empty()
      with self.assertRaises(SCREAMING_SNAKE_CASE):  # noqa: B017
         t.get_max_label()





   def 		UpperCamelCase_     (       self)     ->     None:
      _lowerCamelCase  :				Dict      =		self._get_binary_search_tree()

      assert t.get_min_label() == 1

      t.empty()
      with self.assertRaises(SCREAMING_SNAKE_CASE):  # noqa: B017
         t.get_min_label()





   def 		UpperCamelCase_     (       self)     ->     None:
      _lowerCamelCase  :				List[Any]      =		self._get_binary_search_tree()

      _lowerCamelCase  :				Any      =		[i.label for i in t.inorder_traversal()]
      assert inorder_traversal_nodes == [1, 3, 4, 5, 6, 7, 8, 10, 13, 14]





   def 		UpperCamelCase_     (       self)     ->     None:
      _lowerCamelCase  :				Union[str, Any]      =		self._get_binary_search_tree()

      _lowerCamelCase  :				Optional[Any]      =		[i.label for i in t.preorder_traversal()]
      assert preorder_traversal_nodes == [8, 3, 1, 6, 4, 5, 7, 10, 14, 13]







def 							_snake_case			(      ):




   """simple docstring"""







   _lowerCamelCase  :				Any      =		BinarySearchTree()
   t.put(8      )
   t.put(3      )
   t.put(6      )
   t.put(1      )
   t.put(10      )
   t.put(14      )
   t.put(13      )
   t.put(4      )
   t.put(7      )
   t.put(5      )

   print(
       """
            8
           / \\
          3   10
         / \\    \\
        1   6    14
           / \\   /
          4   7 13
           \\
            5
        """      )

   print("""Label 6 exists:"""	,   t.exists(6      )      )
   print("""Label 13 exists:"""	,   t.exists(13      )      )
   print("""Label -1 exists:"""	,   t.exists(-1      )      )
   print("""Label 12 exists:"""	,   t.exists(12      )      )

   # Prints all the elements of the list in inorder traversal
   _lowerCamelCase  :				int      =		[i.label for i in t.inorder_traversal()]
   print("""Inorder traversal:"""	,   __snake_case      )

   # Prints all the elements of the list in preorder traversal
   _lowerCamelCase  :				int      =		[i.label for i in t.preorder_traversal()]
   print("""Preorder traversal:"""	,   __snake_case      )

   print("""Max. label:"""	,   t.get_max_label()      )
   print("""Min. label:"""	,   t.get_min_label()      )

   # Delete elements
   print("""\nDeleting elements 13, 10, 8, 3, 6, 14"""      )
   print(
       """
          4
         / \\
        1   7
             \\
              5
        """      )
   t.remove(13      )
   t.remove(10      )
   t.remove(8      )
   t.remove(3      )
   t.remove(6      )
   t.remove(14      )

   # Prints all the elements of the list in inorder traversal after delete
   _lowerCamelCase  :				Any      =		[i.label for i in t.inorder_traversal()]
   print("""Inorder traversal after delete:"""	,   __snake_case      )

   # Prints all the elements of the list in preorder traversal after delete
   _lowerCamelCase  :				str      =		[i.label for i in t.preorder_traversal()]
   print("""Preorder traversal after delete:"""	,   __snake_case      )

   print("""Max. label:"""	,   t.get_max_label()      )
   print("""Min. label:"""	,   t.get_min_label()      )


if __name__ == "__main__":
 binary_search_tree_example()





"""simple docstring"""
import itertools
from dataclasses import dataclass
from io import StringIO
from typing import Optional

import pyarrow as pa

import datasets
from datasets.features.features import require_storage_cast
from datasets.table import table_cast


UpperCAmelCase   =	datasets.utils.logging.get_logger(__name__)




@dataclass
class   lowercase__							(				datasets.BuilderConfig							):
   __UpperCAmelCase       					=				None
   __UpperCAmelCase       					=				"utf-8"
   __UpperCAmelCase       					=				None
   __UpperCAmelCase       					=				10 << 20  # 10MB
   __UpperCAmelCase       					=				False
   __UpperCAmelCase       					=				"line"







class   lowercase__							(				datasets.ArrowBasedBuilder							):
   __UpperCAmelCase       					=				TextConfig





   def 		UpperCamelCase_     (       self)     ->     int:
      return datasets.DatasetInfo(features=self.config.features)





   def 		UpperCamelCase_     (       self			,      SCREAMING_SNAKE_CASE)     ->     Optional[int]:
      if not self.config.data_files:
         raise ValueError(F'At least one data file must be specified, but got data_files={self.config.data_files}')
      _lowerCamelCase  :				Dict      =		dl_manager.download_and_extract(self.config.data_files)
      if isinstance(SCREAMING_SNAKE_CASE			,      (str, list, tuple)):
         _lowerCamelCase  :				Optional[Any]      =		data_files
         if isinstance(SCREAMING_SNAKE_CASE			,      SCREAMING_SNAKE_CASE):
            _lowerCamelCase  :				List[Any]      =		[files]
         _lowerCamelCase  :				List[str]      =		[dl_manager.iter_files(SCREAMING_SNAKE_CASE) for file in files]
         return [datasets.SplitGenerator(name=datasets.Split.TRAIN			,      gen_kwargs={"""files""": files})]
      _lowerCamelCase  :				int      =		[]
      for split_name, files in data_files.items():
         if isinstance(SCREAMING_SNAKE_CASE			,      SCREAMING_SNAKE_CASE):
            _lowerCamelCase  :				Any      =		[files]
         _lowerCamelCase  :				Any      =		[dl_manager.iter_files(SCREAMING_SNAKE_CASE) for file in files]
         splits.append(datasets.SplitGenerator(name=SCREAMING_SNAKE_CASE			,      gen_kwargs={"""files""": files}))
      return splits





   def 		UpperCamelCase_     (       self			,      SCREAMING_SNAKE_CASE)     ->     pa.Table:
      if self.config.features is not None:
         _lowerCamelCase  :				Union[str, Any]      =		self.config.features.arrow_schema
         if all(not require_storage_cast(SCREAMING_SNAKE_CASE) for feature in self.config.features.values()):
            # cheaper cast
            _lowerCamelCase  :				Any      =		pa_table.cast(SCREAMING_SNAKE_CASE)
         else:
            # more expensive cast; allows str <-> int/float or str to Audio for example
            _lowerCamelCase  :				Any      =		table_cast(SCREAMING_SNAKE_CASE			,      SCREAMING_SNAKE_CASE)
         return pa_table
      else:
         return pa_table.cast(pa.schema({"""text""": pa.string()}))





   def 		UpperCamelCase_     (       self			,      SCREAMING_SNAKE_CASE)     ->     Any:
      _lowerCamelCase  :				Optional[Any]      =		list(self.config.features) if self.config.features is not None else ["""text"""]
      for file_idx, file in enumerate(itertools.chain.from_iterable(SCREAMING_SNAKE_CASE)):
         # open in text mode, by default translates universal newlines ("\n", "\r\n" and "\r") into "\n"
         with open(SCREAMING_SNAKE_CASE			,      encoding=self.config.encoding			,      errors=self.config.errors) as f:
            if self.config.sample_by == "line":
               _lowerCamelCase  :				Union[str, Any]      =		0
               while True:
                  _lowerCamelCase  :				int      =		f.read(self.config.chunksize)
                  if not batch:
                     break
                  batch += f.readline()  # finish current line
                  # StringIO.readlines, by default splits only on "\n" (and keeps line breaks)
                  _lowerCamelCase  :				List[str]      =		StringIO(SCREAMING_SNAKE_CASE).readlines()
                  if not self.config.keep_linebreaks:
                     _lowerCamelCase  :				Optional[Any]      =		[line.rstrip("""\n""") for line in batch]
                  _lowerCamelCase  :				Any      =		pa.Table.from_arrays([pa.array(SCREAMING_SNAKE_CASE)]			,      names=SCREAMING_SNAKE_CASE)
                  # Uncomment for debugging (will print the Arrow table size and elements)
                  # logger.warning(f"pa_table: {pa_table} num rows: {pa_table.num_rows}")
                  # logger.warning('\n'.join(str(pa_table.slice(i, 1).to_pydict()) for i in range(pa_table.num_rows)))
                  yield (file_idx, batch_idx), self._cast_table(SCREAMING_SNAKE_CASE)
                  batch_idx += 1
            elif self.config.sample_by == "paragraph":
               _lowerCamelCase  :				Optional[Any]      =		0
               _lowerCamelCase  :				Dict      =		""""""
               while True:
                  _lowerCamelCase  :				Union[str, Any]      =		f.read(self.config.chunksize)
                  if not new_batch:
                     break
                  batch += new_batch
                  batch += f.readline()  # finish current line
                  _lowerCamelCase  :				Any      =		batch.split("""\n\n""")
                  _lowerCamelCase  :				Dict      =		pa.Table.from_arrays(
                      [pa.array([example for example in batch[:-1] if example])]			,      names=SCREAMING_SNAKE_CASE)
                  # Uncomment for debugging (will print the Arrow table size and elements)
                  # logger.warning(f"pa_table: {pa_table} num rows: {pa_table.num_rows}")
                  # logger.warning('\n'.join(str(pa_table.slice(i, 1).to_pydict()) for i in range(pa_table.num_rows)))
                  yield (file_idx, batch_idx), self._cast_table(SCREAMING_SNAKE_CASE)
                  batch_idx += 1
                  _lowerCamelCase  :				Union[str, Any]      =		batch[-1]
               if batch:
                  _lowerCamelCase  :				Optional[int]      =		pa.Table.from_arrays([pa.array([batch])]			,      names=SCREAMING_SNAKE_CASE)
                  yield (file_idx, batch_idx), self._cast_table(SCREAMING_SNAKE_CASE)
            elif self.config.sample_by == "document":
               _lowerCamelCase  :				Tuple      =		f.read()
               _lowerCamelCase  :				List[Any]      =		pa.Table.from_arrays([pa.array([text])]			,      names=SCREAMING_SNAKE_CASE)
               yield file_idx, self._cast_table(SCREAMING_SNAKE_CASE)

