



from __future__ import annotations

import queue






class 						__a :



	def __init__(						self							:    int				,	snake_case_							:    Optional[int])->							Optional[int]:
						__lowerCAmelCase	   =data
						__lowerCAmelCase	   =None
						__lowerCAmelCase	   =None






def 					__lowerCAmelCase		(  )  ->						TreeNode:
					print("""\n********Press N to stop entering at any point of time********\n"""	)
					__lowerCAmelCase	   =input("""Enter the value of the root node: """	).strip().lower()
					__lowerCAmelCase	   =queue.Queue()
					__lowerCAmelCase	   =TreeNode(int(__lowerCamelCase	)	)
					q.put(__lowerCamelCase	)
					while not q.empty():
										__lowerCAmelCase	   =q.get()
										__lowerCAmelCase	   =f"""Enter the left node of {node_found.data}: """
										__lowerCAmelCase	   =input(__lowerCamelCase	).strip().lower() or """n"""
										if check == "n":
															return tree_node
										__lowerCAmelCase	   =TreeNode(int(__lowerCamelCase	)	)
										__lowerCAmelCase	   =left_node
										q.put(__lowerCamelCase	)
										__lowerCAmelCase	   =f"""Enter the right node of {node_found.data}: """
										__lowerCAmelCase	   =input(__lowerCamelCase	).strip().lower() or """n"""
										if check == "n":
															return tree_node
										__lowerCAmelCase	   =TreeNode(int(__lowerCamelCase	)	)
										__lowerCAmelCase	   =right_node
										q.put(__lowerCamelCase	)
					raise






def 					__lowerCAmelCase		(  __lowerCamelCase	:    TreeNode	)  ->						None:
					if not isinstance(__lowerCamelCase				,   __lowerCamelCase	) or not node:
										return
					print(node.data				,   end=""","""	)
					pre_order(node.left	)
					pre_order(node.right	)






def 					__lowerCAmelCase		(  __lowerCamelCase	:    TreeNode	)  ->						None:
					if not isinstance(__lowerCamelCase				,   __lowerCamelCase	) or not node:
										return
					in_order(node.left	)
					print(node.data				,   end=""","""	)
					in_order(node.right	)






def 					__lowerCAmelCase		(  __lowerCamelCase	:    TreeNode	)  ->						None:
					if not isinstance(__lowerCamelCase				,   __lowerCamelCase	) or not node:
										return
					post_order(node.left	)
					post_order(node.right	)
					print(node.data				,   end=""","""	)






def 					__lowerCAmelCase		(  __lowerCamelCase	:    TreeNode	)  ->						None:
					if not isinstance(__lowerCamelCase				,   __lowerCamelCase	) or not node:
										return
					__lowerCAmelCase	   =queue.Queue()
					q.put(__lowerCamelCase	)
					while not q.empty():
										__lowerCAmelCase	   =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 					__lowerCAmelCase		(  __lowerCamelCase	:    TreeNode	)  ->						None:
					if not isinstance(__lowerCamelCase				,   __lowerCamelCase	) or not node:
										return
					__lowerCAmelCase	   =queue.Queue()
					q.put(__lowerCamelCase	)
					while not q.empty():
										__lowerCAmelCase	   =[]
										while not q.empty():
															__lowerCAmelCase	   =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(__lowerCamelCase	)






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






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






def 					__lowerCAmelCase		(  __lowerCamelCase	:    TreeNode	)  ->						None:
					if not isinstance(__lowerCamelCase				,   __lowerCamelCase	) or not node:
										return
					__lowerCAmelCase   ,	__lowerCAmelCase	   =[], []
					__lowerCAmelCase	   =node
					stacka.append(__lowerCamelCase	)
					while stacka:  # to find the reversed order of post order, store it in stack2
										__lowerCAmelCase	   =stacka.pop()
										if n.left:
															stacka.append(n.left	)
										if n.right:
															stacka.append(n.right	)
										stacka.append(__lowerCamelCase	)
					while stacka:  # pop up from stack2 will be the post order
										print(stacka.pop().data				,   end=""","""	)






def 					__lowerCAmelCase		(  __lowerCamelCase	:    str = ""				,   __lowerCamelCase	:    Union[str, Any]=50				,   __lowerCamelCase	:    Union[str, Any]="*"	)  ->						str:
					if not s:
										return "\n" + width * char
					__lowerCAmelCase   ,	__lowerCAmelCase	   =divmod(width - len(__lowerCamelCase	) - 2				,   2	)
					return f"""{left * char} {s} {(left + extra) * char}"""


if __name__ == "__main__":
				import doctest

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

				lowercase_	       =			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())









import PIL.Image
import PIL.ImageOps
from packaging import version
from PIL import Image


if version.parse(version.parse(PIL.__version__).base_version) >= version.parse('''9.1.0'''):
				lowercase_	       =			{
				    '''linear''': PIL.Image.Resampling.BILINEAR,
				    '''bilinear''': PIL.Image.Resampling.BILINEAR,
				    '''bicubic''': PIL.Image.Resampling.BICUBIC,
				    '''lanczos''': PIL.Image.Resampling.LANCZOS,
				    '''nearest''': PIL.Image.Resampling.NEAREST,
				}
else:
				lowercase_	       =			{
				    '''linear''': PIL.Image.LINEAR,
				    '''bilinear''': PIL.Image.BILINEAR,
				    '''bicubic''': PIL.Image.BICUBIC,
				    '''lanczos''': PIL.Image.LANCZOS,
				    '''nearest''': PIL.Image.NEAREST,
				}






def 					__lowerCAmelCase		(  __lowerCamelCase	:    List[str]	)  ->						int:
					__lowerCAmelCase	   =(images / 2 + 0.5).clamp(0				,   1	)
					__lowerCAmelCase	   =images.cpu().permute(0				,   2				,   3				,   1	).float().numpy()
					__lowerCAmelCase	   =numpy_to_pil(__lowerCamelCase	)
					return images






def 					__lowerCAmelCase		(  __lowerCamelCase	:    str	)  ->						str:
					if images.ndim == 3:
										__lowerCAmelCase	   =images[None, ...]
					__lowerCAmelCase	   =(images * 255).round().astype("""uint8"""	)
					if images.shape[-1] == 1:
										# special case for grayscale (single channel) images
										__lowerCAmelCase	   =[Image.fromarray(image.squeeze()				,   mode="""L"""	) for image in images]
					else:
										__lowerCAmelCase	   =[Image.fromarray(__lowerCamelCase	) for image in images]

					return pil_images




