


"""simple docstring"""


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

import numpy as np




def   snake_case		(     UpperCamelCase__       :						bytes			,				UpperCamelCase__       :						int    )   ->      np.array:
      lowerCamelCase					:					List[str]        =	F'{sampling_rate}'
      lowerCamelCase					:					Optional[Any]        =	"""1"""
      lowerCamelCase					:					str        =	"""f32le"""
      lowerCamelCase					:					Optional[int]        =	[
          """ffmpeg""",
          """-i""",
          """pipe:0""",
          """-ac""",
          ac,
          """-ar""",
          ar,
          """-f""",
          format_for_conversion,
          """-hide_banner""",
          """-loglevel""",
          """quiet""",
          """pipe:1""",
      ]

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




def   snake_case		(     UpperCamelCase__       :						int			,				UpperCamelCase__       :						float			,				UpperCamelCase__       :						str = "f32le"			,				)   ->      Dict:
      lowerCamelCase					:					Any        =	F'{sampling_rate}'
      lowerCamelCase					:					Tuple        =	"""1"""
      if format_for_conversion == "s16le":
            lowerCamelCase					:					Optional[Any]        =	2
      elif format_for_conversion == "f32le":
            lowerCamelCase					:					Tuple        =	4
      else:
            raise ValueError(F'Unhandled format `{format_for_conversion}`. Please use `s16le` or `f32le`'    )

      lowerCamelCase					:					Optional[Any]        =	platform.system()
      if system == "Linux":
            lowerCamelCase					:					Optional[int]        =	"""alsa"""
            lowerCamelCase					:					Dict        =	"""default"""
      elif system == "Darwin":
            lowerCamelCase					:					Any        =	"""avfoundation"""
            lowerCamelCase					:					str        =	""":0"""
      elif system == "Windows":
            lowerCamelCase					:					int        =	"""dshow"""
            lowerCamelCase					:					Dict        =	"""default"""

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




def   snake_case		(     UpperCamelCase__       :						int			,				UpperCamelCase__       :						float			,				UpperCamelCase__       :						Optional[int] = None			,				UpperCamelCase__       :						Optional[Union[Tuple[float, float], float]] = None			,				UpperCamelCase__       :						str = "f32le"			,				)   ->      Any:
      if stream_chunk_s is not None:
            lowerCamelCase					:					str        =	stream_chunk_s
      else:
            lowerCamelCase					:					Optional[int]        =	chunk_length_s

      lowerCamelCase					:					Union[str, Any]        =	ffmpeg_microphone(UpperCamelCase__			,				UpperCamelCase__			,				format_for_conversion=UpperCamelCase__    )
      if format_for_conversion == "s16le":
            lowerCamelCase					:					int        =	np.intaa
            lowerCamelCase					:					Dict        =	2
      elif format_for_conversion == "f32le":
            lowerCamelCase					:					Optional[int]        =	np.floataa
            lowerCamelCase					:					Any        =	4
      else:
            raise ValueError(F'Unhandled format `{format_for_conversion}`. Please use `s16le` or `f32le`'    )

      if stride_length_s is None:
            lowerCamelCase					:					Any        =	chunk_length_s / 6
      lowerCamelCase					:					Optional[Any]        =	int(round(sampling_rate * chunk_length_s    )    ) * size_of_sample
      if isinstance(UpperCamelCase__			,				(int, float)    ):
            lowerCamelCase					:					List[Any]        =	[stride_length_s, stride_length_s]

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




def   snake_case		(     UpperCamelCase__       :						List[Any]			,				UpperCamelCase__       :						int			,				UpperCamelCase__       :						Tuple[int, int]			,				UpperCamelCase__       :						bool = False    )   ->      Optional[Any]:
      lowerCamelCase					:					Dict        =	B""""""
      lowerCamelCase     ,			lowerCamelCase					:					Optional[int]        =	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}'    )
      lowerCamelCase					:					Dict        =	0
      for raw in iterator:
            acc += raw
            if stream and len(UpperCamelCase__    ) < chunk_len:
                  lowerCamelCase					:					Union[str, Any]        =	(_stride_left, 0)
                  yield {"raw": acc[:chunk_len], "stride": stride, "partial": True}
            else:
                  while len(UpperCamelCase__    ) >= chunk_len:
                        # We are flushing the accumulator
                        lowerCamelCase					:					List[str]        =	(_stride_left, stride_right)
                        lowerCamelCase					:					int        =	{"""raw""": acc[:chunk_len], """stride""": stride}
                        if stream:
                              lowerCamelCase					:					str        =	False
                        yield item
                        lowerCamelCase					:					Union[str, Any]        =	stride_left
                        lowerCamelCase					:					Dict        =	acc[chunk_len - stride_left - stride_right :]
    # Last chunk
      if len(UpperCamelCase__    ) > stride_left:
            lowerCamelCase					:					Dict        =	{"""raw""": acc, """stride""": (_stride_left, 0)}
            if stream:
                  lowerCamelCase					:					List[str]        =	False
            yield item






def   snake_case		(     UpperCamelCase__       :						str			,				UpperCamelCase__       :						int    )   ->      List[Any]:
      lowerCamelCase					:					Optional[int]        =	2**24  # 16Mo
      try:
            with subprocess.Popen(UpperCamelCase__			,				stdout=subprocess.PIPE			,				bufsize=UpperCamelCase__    ) as ffmpeg_process:
                  while True:
                        lowerCamelCase					:					List[str]        =	ffmpeg_process.stdout.read(UpperCamelCase__    )
                        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








"""simple docstring"""


from __future__ import annotations

import math




def   snake_case		(     UpperCamelCase__       :						float			,				UpperCamelCase__       :						int    )   ->      float:
      lowerCamelCase					:					Dict        =	u
      for i in range(1			,				UpperCamelCase__    ):
            lowerCamelCase					:					List[str]        =	temp * (u - i)
      return temp




def   snake_case		(     )   ->      None:
      lowerCamelCase					:					List[Any]        =	int(input("""enter the numbers of values: """    )    )
      lowerCamelCase					:					list[list[float]]        =	[]
      for _ in range(UpperCamelCase__    ):
            y.append([]    )
      for i in range(UpperCamelCase__    ):
            for j in range(UpperCamelCase__    ):
                  y[i].append(UpperCamelCase__    )
                  lowerCamelCase					:					Union[str, Any]        =	0

      print("""enter the values of parameters in a list: """    )
      lowerCamelCase					:					Any        =	list(map(UpperCamelCase__			,				input().split()    )    )

      print("""enter the values of corresponding parameters: """    )
      for i in range(UpperCamelCase__    ):
            lowerCamelCase					:					int        =	float(input()    )

      lowerCamelCase					:					Dict        =	int(input("""enter the value to interpolate: """    )    )
      lowerCamelCase					:					List[Any]        =	(value - x[0]) / (x[1] - x[0])

      # for calculating forward difference table

      for i in range(1			,				UpperCamelCase__    ):
            for j in range(n - i    ):
                  lowerCamelCase					:					str        =	y[j + 1][i - 1] - y[j][i - 1]

      lowerCamelCase					:					Any        =	y[0][0]
      for i in range(1			,				UpperCamelCase__    ):
            summ += (ucal(UpperCamelCase__			,				UpperCamelCase__    ) * y[0][i]) / math.factorial(UpperCamelCase__    )

      print(F'the value at {value} is {summ}'    )


if __name__ == "__main__":
    main()




