



"""simple docstring"""

from __future__ import annotations

import queue




class SCREAMING_SNAKE_CASE__					:



						def __init__(self						,     _lowercase							):





													'''simple docstring'''

													__a		:		Tuple									=       data
													__a		:		int									=       None
													__a		:		List[str]									=       None







def       __magic_name__    (   ):
							print("""\n********Press N to stop entering at any point of time********\n"""					)
							__a		:		Any									=       input("""Enter the value of the root node: """					).strip().lower()
							__a		:		queue.Queue									=       queue.Queue()
							__a		:		int									=       TreeNode(int(_lowerCamelCase					)					)
							q.put(_lowerCamelCase					)
							while not q.empty():
														__a		:		Optional[int]									=       q.get()
														__a		:		List[Any]									=       F'''Enter the left node of {node_found.data}: '''
														__a		:		Optional[Any]									=       input(_lowerCamelCase					).strip().lower() or """n"""
														if check == "n":
																					return tree_node
														__a		:		List[Any]									=       TreeNode(int(_lowerCamelCase					)					)
														__a		:		Union[str, Any]									=       left_node
														q.put(_lowerCamelCase					)
														__a		:		List[Any]									=       F'''Enter the right node of {node_found.data}: '''
														__a		:		Any									=       input(_lowerCamelCase					).strip().lower() or """n"""
														if check == "n":
																					return tree_node
														__a		:		Dict									=       TreeNode(int(_lowerCamelCase					)					)
														__a		:		Any									=       right_node
														q.put(_lowerCamelCase					)
							raise





def       __magic_name__    (   _lowerCamelCase				: TreeNode					):
							if not isinstance(_lowerCamelCase  ,       _lowerCamelCase					) or not node:
														return
							print(node.data  ,       end=""","""					)
							pre_order(node.left					)
							pre_order(node.right					)





def       __magic_name__    (   _lowerCamelCase				: TreeNode					):
							if not isinstance(_lowerCamelCase  ,       _lowerCamelCase					) or not node:
														return
							in_order(node.left					)
							print(node.data  ,       end=""","""					)
							in_order(node.right					)





def       __magic_name__    (   _lowerCamelCase				: TreeNode					):
							if not isinstance(_lowerCamelCase  ,       _lowerCamelCase					) or not node:
														return
							post_order(node.left					)
							post_order(node.right					)
							print(node.data  ,       end=""","""					)





def       __magic_name__    (   _lowerCamelCase				: TreeNode					):
							if not isinstance(_lowerCamelCase  ,       _lowerCamelCase					) or not node:
														return
							__a		:		queue.Queue									=       queue.Queue()
							q.put(_lowerCamelCase					)
							while not q.empty():
														__a		:		Dict									=       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       __magic_name__    (   _lowerCamelCase				: TreeNode					):
							if not isinstance(_lowerCamelCase  ,       _lowerCamelCase					) or not node:
														return
							__a		:		queue.Queue									=       queue.Queue()
							q.put(_lowerCamelCase					)
							while not q.empty():
														__a		:		Union[str, Any]									=       []
														while not q.empty():
																					__a		:		Any									=       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       __magic_name__    (   _lowerCamelCase				: TreeNode					):
							if not isinstance(_lowerCamelCase  ,       _lowerCamelCase					) or not node:
														return
							__a		:		list[TreeNode]									=       []
							__a		:		List[Any]									=       node
							while n or stack:
														while n:  # start from root node, find its left child
																					print(n.data  ,       end=""","""					)
																					stack.append(_lowerCamelCase					)
																					__a		:		Optional[int]									=       n.left
														# end of while means current node doesn't have left child
														__a		:		str									=       stack.pop()
														# start to traverse its right child
														__a		:		Dict									=       n.right





def       __magic_name__    (   _lowerCamelCase				: TreeNode					):
							if not isinstance(_lowerCamelCase  ,       _lowerCamelCase					) or not node:
														return
							__a		:		list[TreeNode]									=       []
							__a		:		Dict									=       node
							while n or stack:
														while n:
																					stack.append(_lowerCamelCase					)
																					__a		:		str									=       n.left
														__a		:		int									=       stack.pop()
														print(n.data  ,       end=""","""					)
														__a		:		List[str]									=       n.right





def       __magic_name__    (   _lowerCamelCase				: TreeNode					):
							if not isinstance(_lowerCamelCase  ,       _lowerCamelCase					) or not node:
														return
							__a							,     __a		:		Tuple									=       [], []
							__a		:		Dict									=       node
							stacka.append(_lowerCamelCase					)
							while stacka:  # to find the reversed order of post order, store it in stack2
														__a		:		Optional[Any]									=       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       __magic_name__    (   _lowerCamelCase				: str = ""  ,       _lowerCamelCase				: List[str]=5_0  ,       _lowerCamelCase				: Dict="*"					):
							if not s:
														return "\n" + width * char
							__a							,     __a		:		Tuple									=       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())






"""simple docstring"""

import math
import sys

import cva
import numpy as np





def       __magic_name__    (   _lowerCamelCase				: np.ndarray  ,       _lowerCamelCase				: float					):
							# For applying gaussian function for each element in matrix.
							__a		:		int									=       math.sqrt(_lowerCamelCase					)
							__a		:		Any									=       1 / (sigma * math.sqrt(2 * math.pi					))
							return cons * np.exp(-((img / sigma) ** 2) * 0.5					)





def       __magic_name__    (   _lowerCamelCase				: np.ndarray  ,       _lowerCamelCase				: int  ,       _lowerCamelCase				: int  ,       _lowerCamelCase				: int					):
							__a		:		Any									=       kernel_size // 2
							return img[x - half : x + half + 1, y - half : y + half + 1]





def       __magic_name__    (   _lowerCamelCase				: int  ,       _lowerCamelCase				: float					):
							# Creates a gaussian kernel of given dimension.
							__a		:		int									=       np.zeros((kernel_size, kernel_size)					)
							for i in range(0  ,       _lowerCamelCase					):
														for j in range(0  ,       _lowerCamelCase					):
																					__a		:		Any									=       math.sqrt(
																					    abs(i - kernel_size // 2					) ** 2 + abs(j - kernel_size // 2					) ** 2					)
							return vec_gaussian(_lowerCamelCase  ,       _lowerCamelCase					)





def       __magic_name__    (   _lowerCamelCase				: np.ndarray  ,       _lowerCamelCase				: float  ,       _lowerCamelCase				: float  ,       _lowerCamelCase				: int  ,       ):
							__a		:		Tuple									=       np.zeros(img.shape					)
							__a		:		Optional[int]									=       get_gauss_kernel(_lowerCamelCase  ,       _lowerCamelCase					)
							__a							,     __a		:		int									=       img.shape
							for i in range(kernel_size // 2  ,       size_x - kernel_size // 2					):
														for j in range(kernel_size // 2  ,       size_y - kernel_size // 2					):
																					__a		:		List[str]									=       get_slice(_lowerCamelCase  ,       _lowerCamelCase  ,       _lowerCamelCase  ,       _lowerCamelCase					)
																					__a		:		Any									=       img_s - img_s[kernel_size // 2, kernel_size // 2]
																					__a		:		Optional[Any]									=       vec_gaussian(_lowerCamelCase  ,       _lowerCamelCase					)
																					__a		:		Optional[Any]									=       np.multiply(_lowerCamelCase  ,       _lowerCamelCase					)
																					__a		:		Any									=       np.multiply(_lowerCamelCase  ,       _lowerCamelCase					)
																					__a		:		Tuple									=       np.sum(_lowerCamelCase					) / np.sum(_lowerCamelCase					)
																					__a		:		Optional[Any]									=       val
							return imga





def       __magic_name__    (   _lowerCamelCase				: list					):
							__a		:		Optional[Any]									=       args[1] if args[1:] else """../image_data/lena.jpg"""
							__a		:		Union[str, Any]									=       float(args[2]					) if args[2:] else 1.0
							__a		:		Optional[int]									=       float(args[3]					) if args[3:] else 1.0
							if args[4:]:
														__a		:		Any									=       int(args[4]					)
														__a		:		Any									=       kernel_size + abs(kernel_size % 2 - 1					)
							else:
														__a		:		Optional[int]									=       5
							return filename, spatial_variance, intensity_variance, kernel_size


if __name__ == "__main__":
	lowercase__   ,   lowercase__   ,   lowercase__   ,   lowercase__			   =  parse_args(sys.argv)
	lowercase__			   =  cva.imread(filename, 0)
	cva.imshow("input image", img)

	lowercase__			   =  img / 255
	lowercase__			   =  out.astype("float32")
	lowercase__			   =  bilateral_filter(out, spatial_variance, intensity_variance, kernel_size)
	lowercase__			   =  out * 255
	lowercase__			   =  np.uinta(out)
	cva.imshow("output image", out)
	cva.waitKey(0)
	cva.destroyAllWindows()

