






'''simple docstring'''



from __future__ import annotations

from collections import deque
from collections.abc import Sequence
from dataclasses import dataclass
from typing import Any
@dataclass
class UpperCAmelCase_					:




      """simple docstring"""




      UpperCamelCase_								=			42
      UpperCamelCase_								=			None
      UpperCamelCase_								=			None





def 							lowercase_				(    )       ->      List[Any]:



 """simple docstring"""




 lowercase					:   Optional[Any]				  =Node(1			)
 lowercase					:   Dict				  =Node(2			)
 lowercase					:   Dict				  =Node(3			)
 lowercase					:   Dict				  =Node(4			)
 lowercase					:   Union[str, Any]				  =Node(5			)
 return tree


def 							lowercase_				(    __A :       Node | None			)       ->      int:



 """simple docstring"""




 return [root.data, *preorder(root.left			), *preorder(root.right			)] if root else []


def 							lowercase_				(    __A :       Node | None			)       ->      Any:



 """simple docstring"""




 return postorder(root.left			) + postorder(root.right			) + [root.data] if root else []


def 							lowercase_				(    __A :       Node | None			)       ->      str:



 """simple docstring"""




 return [*inorder(root.left			), root.data, *inorder(root.right			)] if root else []


def 							lowercase_				(    __A :       Node | None			)       ->      Union[str, Any]:



 """simple docstring"""




 return (max(height(root.left			)					,      height(root.right			)			) + 1) if root else 0


def 							lowercase_				(    __A :       Node | None			)       ->      List[Any]:



 """simple docstring"""




 lowercase					:   list[Any]				  =[]

 if root is None:
  return output

 lowercase					:   Union[str, Any]				  =deque([root]			)

 while process_queue:
  lowercase					:   str				  =process_queue.popleft()
  output.append(node.data			)

  if node.left:
   process_queue.append(node.left			)
  if node.right:
   process_queue.append(node.right			)
 return output


def 							lowercase_				(    __A :       Node | None					,      __A :       int			)       ->      str:



 """simple docstring"""




 lowercase					:   list[Any]				  =[]

 def populate_output(__A :       Node | None					,      __A :       int			) -> None:
  if not root:
   return
  if level == 1:
   output.append(root.data			)
  elif level > 1:
   populate_output(root.left					,      level - 1			)
   populate_output(root.right					,      level - 1			)

 populate_output(snake_case__					,      snake_case__			)
 return output


def 							lowercase_				(    __A :       Node | None					,      __A :       int			)       ->      Dict:



 """simple docstring"""




 lowercase					:   list[Any]				  =[]

 def populate_output(__A :       Node | None					,      __A :       int			) -> None:
  if root is None:
   return
  if level == 1:
   output.append(root.data			)
  elif level > 1:
   populate_output(root.right					,      level - 1			)
   populate_output(root.left					,      level - 1			)

 populate_output(snake_case__					,      snake_case__			)
 return output


def 							lowercase_				(    __A :       Node | None			)       ->      int:



 """simple docstring"""




 if root is None:
  return []

 lowercase					:   list[Sequence[Node | None]]				  =[]

 lowercase					:   List[Any]				  =0
 lowercase					:   Optional[int]				  =height(snake_case__			)

 for h in range(1					,      height_tree + 1			):
  if not flag:
   output.append(get_nodes_from_left_to_right(snake_case__					,      snake_case__			)			)
   lowercase					:   Tuple				  =1
  else:
   output.append(get_nodes_from_right_to_left(snake_case__					,      snake_case__			)			)
   lowercase					:   Tuple				  =0

 return output


def 							lowercase_				(    )       ->      List[Any]:  # Main function for testing.



 """simple docstring"""




 lowercase					:   Optional[int]				  =make_tree()
 print(F'In-order Traversal: {inorder(snake_case__			)}'			)
 print(F'Pre-order Traversal: {preorder(snake_case__			)}'			)
 print(F'Post-order Traversal: {postorder(snake_case__			)}'					,      '''\n'''			)

 print(F'Height of Tree: {height(snake_case__			)}'					,      '''\n'''			)

 print('''Complete Level Order Traversal: '''			)
 print(level_order(snake_case__			)					,      '''\n'''			)

 print('''Level-wise order Traversal: '''			)

 for level in range(1					,      height(snake_case__			) + 1			):
  print(F'Level {level}:'					,      get_nodes_from_left_to_right(snake_case__					,      level=snake_case__			)			)

 print('''\nZigZag order Traversal: '''			)
 print(zigzag(snake_case__			)			)


if __name__ == "__main__":
      import doctest

      doctest.testmod()
      main()











'''simple docstring'''



import re


def 							lowercase_				(    __A :       str			)       ->      bool:



 """simple docstring"""




 lowercase					:   Any				  =re.compile(R'''^(\+91[\-\s]?)?[0]?(91)?[789]\d{9}$'''			)
 if match := re.search(__A					,      __A			):
  return match.string == phone
 return False


if __name__ == "__main__":
      print(indian_phone_validator('+918827897895'))



