





'''simple docstring'''
from __future__ import annotations

import queue

class      snake_case     :




 """simple docstring"""



 def __init__(       self       :							int							,	__A       :							Union[str, Any]	):
        __UpperCamelCase       =  data
        __UpperCamelCase       =  None
        __UpperCamelCase       =  None






def 				lowercase__   (   ) ->      TreeNode:



       """simple docstring"""






       print('\n********Press N to stop entering at any point of time********\n'     )
       __UpperCamelCase       =  input('Enter the value of the root node: '     ).strip().lower()
       __UpperCamelCase       =  queue.Queue()
       __UpperCamelCase       =  TreeNode(int(__lowercase     )     )
       q.put(__lowercase     )
       while not q.empty():
              __UpperCamelCase       =  q.get()
              __UpperCamelCase       =  F'''Enter the left node of {node_found.data}: '''
              __UpperCamelCase       =  input(__lowercase     ).strip().lower() or """n"""
              if check == "n":
                     return tree_node
              __UpperCamelCase       =  TreeNode(int(__lowercase     )     )
              __UpperCamelCase       =  left_node
              q.put(__lowercase     )
              __UpperCamelCase       =  F'''Enter the right node of {node_found.data}: '''
              __UpperCamelCase       =  input(__lowercase     ).strip().lower() or """n"""
              if check == "n":
                     return tree_node
              __UpperCamelCase       =  TreeNode(int(__lowercase     )     )
              __UpperCamelCase       =  right_node
              q.put(__lowercase     )
       raise
def 				lowercase__   (   __lowercase						:  TreeNode     ) ->      None:



       """simple docstring"""






       if not isinstance(__lowercase				,  __lowercase     ) or not node:
              return
       print(node.data				,  end=','     )
       pre_order(node.left     )
       pre_order(node.right     )
def 				lowercase__   (   __lowercase						:  TreeNode     ) ->      None:



       """simple docstring"""






       if not isinstance(__lowercase				,  __lowercase     ) or not node:
              return
       in_order(node.left     )
       print(node.data				,  end=','     )
       in_order(node.right     )
def 				lowercase__   (   __lowercase						:  TreeNode     ) ->      None:



       """simple docstring"""






       if not isinstance(__lowercase				,  __lowercase     ) or not node:
              return
       post_order(node.left     )
       post_order(node.right     )
       print(node.data				,  end=','     )
def 				lowercase__   (   __lowercase						:  TreeNode     ) ->      None:



       """simple docstring"""






       if not isinstance(__lowercase				,  __lowercase     ) or not node:
              return
       __UpperCamelCase       =  queue.Queue()
       q.put(__lowercase     )
       while not q.empty():
              __UpperCamelCase       =  q.get()
              print(node_dequeued.data				,  end=','     )
              if node_dequeued.left:
                     q.put(node_dequeued.left     )
              if node_dequeued.right:
                     q.put(node_dequeued.right     )
def 				lowercase__   (   __lowercase						:  TreeNode     ) ->      None:



       """simple docstring"""






       if not isinstance(__lowercase				,  __lowercase     ) or not node:
              return
       __UpperCamelCase       =  queue.Queue()
       q.put(__lowercase     )
       while not q.empty():
              __UpperCamelCase       =  []
              while not q.empty():
                     __UpperCamelCase       =  q.get()
                     print(node_dequeued.data				,  end=','     )
                     if node_dequeued.left:
                            list_.append(node_dequeued.left     )
                     if node_dequeued.right:
                            list_.append(node_dequeued.right     )
              print()
              for node in list_:
                     q.put(__lowercase     )
def 				lowercase__   (   __lowercase						:  TreeNode     ) ->      None:



       """simple docstring"""






       if not isinstance(__lowercase				,  __lowercase     ) or not node:
              return
       __UpperCamelCase       =  []
       __UpperCamelCase       =  node
       while n or stack:
              while n:  # start from root node, find its left child
                     print(n.data				,  end=','     )
                     stack.append(__lowercase     )
                     __UpperCamelCase       =  n.left
              # end of while means current node doesn't have left child
              __UpperCamelCase       =  stack.pop()
              # start to traverse its right child
              __UpperCamelCase       =  n.right
def 				lowercase__   (   __lowercase						:  TreeNode     ) ->      None:



       """simple docstring"""






       if not isinstance(__lowercase				,  __lowercase     ) or not node:
              return
       __UpperCamelCase       =  []
       __UpperCamelCase       =  node
       while n or stack:
              while n:
                     stack.append(__lowercase     )
                     __UpperCamelCase       =  n.left
              __UpperCamelCase       =  stack.pop()
              print(n.data				,  end=','     )
              __UpperCamelCase       =  n.right
def 				lowercase__   (   __lowercase						:  TreeNode     ) ->      None:



       """simple docstring"""






       if not isinstance(__lowercase				,  __lowercase     ) or not node:
              return
       __UpperCamelCase       =  [], []
       __UpperCamelCase       =  node
       stacka.append(__lowercase     )
       while stacka:  # to find the reversed order of post order, store it in stack2
              __UpperCamelCase       =  stacka.pop()
              if n.left:
                     stacka.append(n.left     )
              if n.right:
                     stacka.append(n.right     )
              stacka.append(__lowercase     )
       while stacka:  # pop up from stack2 will be the post order
              print(stacka.pop().data				,  end=','     )
def 				lowercase__   (   __lowercase						:  str = ""				,  __lowercase						:  Any=50				,  __lowercase						:  Optional[Any]="*"     ) ->      str:



       """simple docstring"""






       if not s:
              return "\n" + width * char
       __UpperCamelCase       =  divmod(width - len(__lowercase     ) - 2				,  2     )
       return F'''{left * char} {s} {(left + extra) * char}'''


if __name__ == "__main__":
    import doctest

    doctest.testmod()
    print(prompt('''Binary Tree Traversals'''))

    a__							:							TreeNode =build_tree()
    print(prompt('''Pre Order Traversal'''))
    pre_order(node)
    print(prompt() + '''\n''')

    print(prompt('''In Order Traversal'''))
    in_order(node)
    print(prompt() + '''\n''')

    print(prompt('''Post Order Traversal'''))
    post_order(node)
    print(prompt() + '''\n''')

    print(prompt('''Level Order Traversal'''))
    level_order(node)
    print(prompt() + '''\n''')

    print(prompt('''Actual Level Order Traversal'''))
    level_order_actual(node)
    print('''*''' * 50 + '''\n''')

    print(prompt('''Pre Order Traversal - Iteration Version'''))
    pre_order_iter(node)
    print(prompt() + '''\n''')

    print(prompt('''In Order Traversal - Iteration Version'''))
    in_order_iter(node)
    print(prompt() + '''\n''')

    print(prompt('''Post Order Traversal - Iteration Version'''))
    post_order_iter(node)
    print(prompt())








from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_flax_available,
    is_tf_available,
    is_tokenizers_available,
    is_torch_available,
)


UpperCAmelCase_ :						str      =      {'''configuration_opt''': ['''OPT_PRETRAINED_CONFIG_ARCHIVE_MAP''', '''OPTConfig''']}

try:
	if not is_torch_available():
		raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
	pass
else:
	UpperCAmelCase_ :						Tuple      =      [
	    '''OPT_PRETRAINED_MODEL_ARCHIVE_LIST''',
	    '''OPTForCausalLM''',
	    '''OPTModel''',
	    '''OPTPreTrainedModel''',
	    '''OPTForSequenceClassification''',
	    '''OPTForQuestionAnswering''',
	]

try:
	if not is_tf_available():
		raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
	pass
else:
	UpperCAmelCase_ :						Any      =      ['''TFOPTForCausalLM''', '''TFOPTModel''', '''TFOPTPreTrainedModel''']

try:
	if not is_flax_available():
		raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
	pass
else:
	UpperCAmelCase_ :						Optional[Any]      =      [
	    '''FlaxOPTForCausalLM''',
	    '''FlaxOPTModel''',
	    '''FlaxOPTPreTrainedModel''',
	]


if TYPE_CHECKING:
	from .configuration_opt import OPT_PRETRAINED_CONFIG_ARCHIVE_MAP, OPTConfig

	try:
		if not is_torch_available():
			raise OptionalDependencyNotAvailable()
	except OptionalDependencyNotAvailable:
		pass
	else:
		from .modeling_opt import (
		    OPT_PRETRAINED_MODEL_ARCHIVE_LIST,
		    OPTForCausalLM,
		    OPTForQuestionAnswering,
		    OPTForSequenceClassification,
		    OPTModel,
		    OPTPreTrainedModel,
		)

	try:
		if not is_tf_available():
			raise OptionalDependencyNotAvailable()
	except OptionalDependencyNotAvailable:
		pass
	else:
		from .modeling_tf_opt import TFOPTForCausalLM, TFOPTModel, TFOPTPreTrainedModel

	try:
		if not is_flax_available():
			raise OptionalDependencyNotAvailable()
	except OptionalDependencyNotAvailable:
		pass
	else:
		from .modeling_flax_opt import FlaxOPTForCausalLM, FlaxOPTModel, FlaxOPTPreTrainedModel

else:
	import sys

	UpperCAmelCase_ :						List[Any]      =      _LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)
