



'''simple docstring'''

from __future__ import annotations

import math
import random
from typing import Any

class 	__magic_name__						:







							def __init__(							self					:       Dict		):
									_a     :      list[Any]        =							[]
									_a     :      int        =							0
									_a     :      int        =							0







							def 							__lowercase			(							self					:       Optional[Any]		):
									return self.head == self.tail







							def 							__lowercase			(							self					:       List[Any]	,_UpperCAmelCase					:       Any		):
									self.data.append(_UpperCAmelCase		)
									_a     :      Dict        =							self.tail + 1







							def 							__lowercase			(							self					:       int		):
									_a     :      str        =							self.data[self.head]
									_a     :      List[Any]        =							self.head + 1
									return ret







							def 							__lowercase			(							self					:       Dict		):
									return self.tail - self.head







							def 							__lowercase			(							self					:       List[Any]		):
									print(self.data		)
									print('**************'		)
									print(self.data[self.head : self.tail]		)

class 	__magic_name__						:







							def __init__(							self					:       List[str]	,_UpperCAmelCase					:       Any		):
									_a     :      Dict        =							data
									_a     :      MyNode | None        =							None
									_a     :      MyNode | None        =							None
									_a     :      int        =							1







							def 							__lowercase			(							self					:       Dict		):
									return self.data







							def 							__lowercase			(							self					:       Tuple		):
									return self.left







							def 							__lowercase			(							self					:       Optional[Any]		):
									return self.right







							def 							__lowercase			(							self					:       Optional[Any]		):
									return self.height







							def 							__lowercase			(							self					:       str	,_UpperCAmelCase					:       Any		):
									_a     :      str        =							data







							def 							__lowercase			(							self					:       str	,_UpperCAmelCase					:       MyNode | None		):
									_a     :      Tuple        =							node







							def 							__lowercase			(							self					:       Optional[Any]	,_UpperCAmelCase					:       MyNode | None		):
									_a     :      Tuple        =							node







							def 							__lowercase			(							self					:       Dict	,_UpperCAmelCase					:       int		):
									_a     :      Dict        =							height



def      __lowerCamelCase     (      lowerCAmelCase_  )			->      int:
		if node is None:
				return 0
		return node.get_height()



def      __lowerCamelCase     (      lowerCAmelCase_						,			lowerCAmelCase_  )			->      int:
		if a > b:
				return a
		return b



def      __lowerCamelCase     (      lowerCAmelCase_  )			->      MyNode:
		print('left rotation node:'						,			node.get_data()  )
		_a     :      str        =							node.get_left()
		assert ret is not None
		node.set_left(ret.get_right()  )
		ret.set_right(lowerCAmelCase_  )
		_a     :      Any        =							my_max(get_height(node.get_right()  )						,			get_height(node.get_left()  )  ) + 1
		node.set_height(lowerCAmelCase_  )
		_a     :      str        =							my_max(get_height(ret.get_right()  )						,			get_height(ret.get_left()  )  ) + 1
		ret.set_height(lowerCAmelCase_  )
		return ret



def      __lowerCamelCase     (      lowerCAmelCase_  )			->      MyNode:
		print('right rotation node:'						,			node.get_data()  )
		_a     :      Optional[Any]        =							node.get_right()
		assert ret is not None
		node.set_right(ret.get_left()  )
		ret.set_left(lowerCAmelCase_  )
		_a     :      Tuple        =							my_max(get_height(node.get_right()  )						,			get_height(node.get_left()  )  ) + 1
		node.set_height(lowerCAmelCase_  )
		_a     :      List[str]        =							my_max(get_height(ret.get_right()  )						,			get_height(ret.get_left()  )  ) + 1
		ret.set_height(lowerCAmelCase_  )
		return ret



def      __lowerCamelCase     (      lowerCAmelCase_  )			->      MyNode:
		_a     :      Union[str, Any]        =							node.get_left()
		assert left_child is not None
		node.set_left(left_rotation(lowerCAmelCase_  )  )
		return right_rotation(lowerCAmelCase_  )



def      __lowerCamelCase     (      lowerCAmelCase_  )			->      MyNode:
		_a     :      str        =							node.get_right()
		assert right_child is not None
		node.set_right(right_rotation(lowerCAmelCase_  )  )
		return left_rotation(lowerCAmelCase_  )



def      __lowerCamelCase     (      lowerCAmelCase_						,			lowerCAmelCase_  )			->      MyNode | None:
		if node is None:
				return MyNode(lowerCAmelCase_  )
		if data < node.get_data():
				node.set_left(insert_node(node.get_left()						,			lowerCAmelCase_  )  )
				if (
				    get_height(node.get_left()  ) - get_height(node.get_right()  ) == 2
				):  # an unbalance detected
						_a     :      Any        =							node.get_left()
						assert left_child is not None
						if (
						    data < left_child.get_data()
						):  # new node is the left child of the left child
								_a     :      Union[str, Any]        =							right_rotation(lowerCAmelCase_  )
						else:
								_a     :      List[str]        =							lr_rotation(lowerCAmelCase_  )
		else:
				node.set_right(insert_node(node.get_right()						,			lowerCAmelCase_  )  )
				if get_height(node.get_right()  ) - get_height(node.get_left()  ) == 2:
						_a     :      str        =							node.get_right()
						assert right_child is not None
						if data < right_child.get_data():
								_a     :      Any        =							rl_rotation(lowerCAmelCase_  )
						else:
								_a     :      str        =							left_rotation(lowerCAmelCase_  )
		_a     :      str        =							my_max(get_height(node.get_right()  )						,			get_height(node.get_left()  )  ) + 1
		node.set_height(lowerCAmelCase_  )
		return node



def      __lowerCamelCase     (      lowerCAmelCase_  )			->      Any:
		while True:
				_a     :      Tuple        =							root.get_right()
				if right_child is None:
						break
				_a     :      Any        =							right_child
		return root.get_data()



def      __lowerCamelCase     (      lowerCAmelCase_  )			->      Any:
		while True:
				_a     :      Any        =							root.get_left()
				if left_child is None:
						break
				_a     :      Optional[int]        =							left_child
		return root.get_data()



def      __lowerCamelCase     (      lowerCAmelCase_						,			lowerCAmelCase_  )			->      MyNode | None:
		_a     :      Optional[int]        =							root.get_left()
		_a     :      Optional[int]        =							root.get_right()
		if root.get_data() == data:
				if left_child is not None and right_child is not None:
						_a     :      int        =							get_left_most(lowerCAmelCase_  )
						root.set_data(lowerCAmelCase_  )
						root.set_right(del_node(lowerCAmelCase_						,			lowerCAmelCase_  )  )
				elif left_child is not None:
						_a     :      Optional[int]        =							left_child
				elif right_child is not None:
						_a     :      Optional[int]        =							right_child
				else:
						return None
		elif root.get_data() > data:
				if left_child is None:
						print('No such data'  )
						return root
				else:
						root.set_left(del_node(lowerCAmelCase_						,			lowerCAmelCase_  )  )
		else:  # root.get_data() < data
				if right_child is None:
						return root
				else:
						root.set_right(del_node(lowerCAmelCase_						,			lowerCAmelCase_  )  )

		if get_height(lowerCAmelCase_  ) - get_height(lowerCAmelCase_  ) == 2:
				assert right_child is not None
				if get_height(right_child.get_right()  ) > get_height(right_child.get_left()  ):
						_a     :      Union[str, Any]        =							left_rotation(lowerCAmelCase_  )
				else:
						_a     :      Dict        =							rl_rotation(lowerCAmelCase_  )
		elif get_height(lowerCAmelCase_  ) - get_height(lowerCAmelCase_  ) == -2:
				assert left_child is not None
				if get_height(left_child.get_left()  ) > get_height(left_child.get_right()  ):
						_a     :      Any        =							right_rotation(lowerCAmelCase_  )
				else:
						_a     :      int        =							lr_rotation(lowerCAmelCase_  )
		_a     :      Tuple        =							my_max(get_height(root.get_right()  )						,			get_height(root.get_left()  )  ) + 1
		root.set_height(lowerCAmelCase_  )
		return root

class 	__magic_name__						:







							def __init__(							self					:       Tuple		):
									_a     :      MyNode | None        =							None







							def 							__lowercase			(							self					:       List[Any]		):
									return get_height(self.root		)







							def 							__lowercase			(							self					:       Tuple	,_UpperCAmelCase					:       Any		):
									print('insert:' + str(_UpperCAmelCase		)		)
									_a     :      List[Any]        =							insert_node(self.root	,_UpperCAmelCase		)







							def 							__lowercase			(							self					:       Any	,_UpperCAmelCase					:       Any		):
									print('delete:' + str(_UpperCAmelCase		)		)
									if self.root is None:
											print('Tree is empty!'		)
											return
									_a     :      Union[str, Any]        =							del_node(self.root	,_UpperCAmelCase		)







							def __str__(							self					:       int	,):  # a level traversale, gives a more intuitive look on the tree
									_a     :      Optional[Any]        =							''
									_a     :      Tuple        =							MyQueue()
									q.push(self.root		)
									_a     :      Dict        =							self.get_height()
									if layer == 0:
											return output
									_a     :      int        =							0
									while not q.is_empty():
											_a     :      List[str]        =							q.pop()
											_a     :      Optional[int]        =							' ' * int(math.pow(2	,layer - 1		)		)
											output += space
											if node is None:
													output += "*"
													q.push(_UpperCAmelCase		)
													q.push(_UpperCAmelCase		)
											else:
													output += str(node.get_data()		)
													q.push(node.get_left()		)
													q.push(node.get_right()		)
											output += space
											_a     :      Dict        =							cnt + 1
											for i in range(100		):
													if cnt == math.pow(2	,_UpperCAmelCase		) - 1:
															_a     :      List[Any]        =							layer - 1
															if layer == 0:
																	output += "\n*************************************"
																	return output
															output += "\n"
															break
									output += "\n*************************************"
									return output



def      __lowerCamelCase     (      )			->      None:
		import doctest

		doctest.testmod()


if __name__ == "__main__":
							_test()
							__lowerCAmelCase									=   AVLtree()
							__lowerCAmelCase									=   list(range(10))
							random.shuffle(lst)
							for i in lst:
														t.insert(i)
														print(str(t))
							random.shuffle(lst)
							for i in lst:
														t.del_node(i)
														print(str(t))









'''simple docstring'''

import datetime
import platform
import subprocess
from typing import Optional, Tuple, Union

import numpy as np



def      __lowerCamelCase     (      lowerCAmelCase_						,			lowerCAmelCase_  )			->      np.array:
		_a     :      Optional[int]        =							f"""{sampling_rate}"""
		_a     :      Any        =							'1'
		_a     :      Optional[int]        =							'f32le'
		_a     :      Any        =							[
		    'ffmpeg',
		    '-i',
		    'pipe:0',
		    '-ac',
		    ac,
		    '-ar',
		    ar,
		    '-f',
		    format_for_conversion,
		    '-hide_banner',
		    '-loglevel',
		    'quiet',
		    'pipe:1',
		]

		try:
				with subprocess.Popen(lowerCAmelCase_						,			stdin=subprocess.PIPE						,			stdout=subprocess.PIPE  ) as ffmpeg_process:
						_a     :      int        =							ffmpeg_process.communicate(lowerCAmelCase_  )
		except FileNotFoundError as error:
				raise ValueError('ffmpeg was not found but is required to load audio files from filename'  ) from error
		_a     :      int        =							output_stream[0]
		_a     :      List[str]        =							np.frombuffer(lowerCAmelCase_						,			np.floataa  )
		if audio.shape[0] == 0:
				raise ValueError('Malformed soundfile'  )
		return audio



def      __lowerCamelCase     (      lowerCAmelCase_						,			lowerCAmelCase_						,			lowerCAmelCase_ = "f32le"						,			)			->      Union[str, Any]:
		_a     :      List[str]        =							f"""{sampling_rate}"""
		_a     :      List[str]        =							'1'
		if format_for_conversion == "s16le":
				_a     :      List[Any]        =							2
		elif format_for_conversion == "f32le":
				_a     :      Dict        =							4
		else:
				raise ValueError(f"""Unhandled format `{format_for_conversion}`. Please use `s16le` or `f32le`"""  )

		_a     :      Any        =							platform.system()
		if system == "Linux":
				_a     :      Union[str, Any]        =							'alsa'
				_a     :      Union[str, Any]        =							'default'
		elif system == "Darwin":
				_a     :      Any        =							'avfoundation'
				_a     :      Optional[int]        =							':0'
		elif system == "Windows":
				_a     :      str        =							'dshow'
				_a     :      Tuple        =							'default'

		_a     :      str        =							[
		    'ffmpeg',
		    '-f',
		    format_,
		    '-i',
		    input_,
		    '-ac',
		    ac,
		    '-ar',
		    ar,
		    '-f',
		    format_for_conversion,
		    '-fflags',
		    'nobuffer',
		    '-hide_banner',
		    '-loglevel',
		    'quiet',
		    'pipe:1',
		]
		_a     :      Any        =							int(round(sampling_rate * chunk_length_s  )  ) * size_of_sample
		_a     :      Union[str, Any]        =							_ffmpeg_stream(lowerCAmelCase_						,			lowerCAmelCase_  )
		for item in iterator:
				yield item



def      __lowerCamelCase     (      lowerCAmelCase_						,			lowerCAmelCase_						,			lowerCAmelCase_ = None						,			lowerCAmelCase_ = None						,			lowerCAmelCase_ = "f32le"						,			)			->      str:
		if stream_chunk_s is not None:
				_a     :      str        =							stream_chunk_s
		else:
				_a     :      List[str]        =							chunk_length_s

		_a     :      int        =							ffmpeg_microphone(lowerCAmelCase_						,			lowerCAmelCase_						,			format_for_conversion=lowerCAmelCase_  )
		if format_for_conversion == "s16le":
				_a     :      Optional[Any]        =							np.intaa
				_a     :      List[Any]        =							2
		elif format_for_conversion == "f32le":
				_a     :      Tuple        =							np.floataa
				_a     :      Any        =							4
		else:
				raise ValueError(f"""Unhandled format `{format_for_conversion}`. Please use `s16le` or `f32le`"""  )

		if stride_length_s is None:
				_a     :      str        =							chunk_length_s / 6
		_a     :      Any        =							int(round(sampling_rate * chunk_length_s  )  ) * size_of_sample
		if isinstance(lowerCAmelCase_						,			(int, float)  ):
				_a     :      List[str]        =							[stride_length_s, stride_length_s]

		_a     :      str        =							int(round(sampling_rate * stride_length_s[0]  )  ) * size_of_sample
		_a     :      List[str]        =							int(round(sampling_rate * stride_length_s[1]  )  ) * size_of_sample
		_a     :      Any        =							datetime.datetime.now()
		_a     :      Dict        =							datetime.timedelta(seconds=lowerCAmelCase_  )
		for item in chunk_bytes_iter(lowerCAmelCase_						,			lowerCAmelCase_						,			stride=(stride_left, stride_right)						,			stream=lowerCAmelCase_  ):
				# Put everything back in numpy scale
				_a     :      List[Any]        =							np.frombuffer(item['raw']						,			dtype=lowerCAmelCase_  )
				_a     :      List[str]        =							(
				    item['stride'][0] // size_of_sample,
				    item['stride'][1] // size_of_sample,
				)
				_a     :      Union[str, Any]        =							sampling_rate
				audio_time += delta
				if datetime.datetime.now() > audio_time + 10 * delta:
						# We're late !! SKIP
						continue
				yield item



def      __lowerCamelCase     (      lowerCAmelCase_						,			lowerCAmelCase_						,			lowerCAmelCase_						,			lowerCAmelCase_ = False  )			->      List[Any]:
		_a     :      Tuple        =							B''
		_a       ,					_a     :      str        =							stride
		if stride_left + stride_right >= chunk_len:
				raise ValueError(
				    f"""Stride needs to be strictly smaller than chunk_len: ({stride_left}, {stride_right}) vs {chunk_len}"""  )
		_a     :      Optional[int]        =							0
		for raw in iterator:
				acc += raw
				if stream and len(lowerCAmelCase_  ) < chunk_len:
						_a     :      str        =							(_stride_left, 0)
						yield {"raw": acc[:chunk_len], "stride": stride, "partial": True}
				else:
						while len(lowerCAmelCase_  ) >= chunk_len:
								# We are flushing the accumulator
								_a     :      Union[str, Any]        =							(_stride_left, stride_right)
								_a     :      Dict        =							{'raw': acc[:chunk_len], 'stride': stride}
								if stream:
										_a     :      List[str]        =							False
								yield item
								_a     :      int        =							stride_left
								_a     :      List[Any]        =							acc[chunk_len - stride_left - stride_right :]
    # Last chunk
		if len(lowerCAmelCase_  ) > stride_left:
				_a     :      str        =							{'raw': acc, 'stride': (_stride_left, 0)}
				if stream:
						_a     :      str        =							False
				yield item



def      __lowerCamelCase     (      lowerCAmelCase_						,			lowerCAmelCase_  )			->      Tuple:
		_a     :      Optional[Any]        =							2**24  # 16Mo
		try:
				with subprocess.Popen(lowerCAmelCase_						,			stdout=subprocess.PIPE						,			bufsize=lowerCAmelCase_  ) as ffmpeg_process:
						while True:
								_a     :      Any        =							ffmpeg_process.stdout.read(lowerCAmelCase_  )
								if raw == b"":
										break
								yield raw
		except FileNotFoundError as error:
				raise ValueError('ffmpeg was not found but is required to stream audio files from filename'  ) from error




