

"""simple docstring"""


import argparse
import os






class __a   :
  __lowercase    :    Any						=					'block_{0}.dat'



  def __init__(self  :		List[Any]				,			lowercase_  :		Union[str, Any]   )		->							Union[str, Any]:
   __A	:       str       =	filename
   __A	:       int       =	[]



  def 						A_				(self  :		int				,			lowercase_  :		Union[str, Any]				,			lowercase_  :		Tuple   )		->							Dict:
   __A	:       Optional[Any]       =	self.BLOCK_FILENAME_FORMAT.format(lowercase_   )
   with open(lowercase_				,			'w'   ) as file:
    file.write(lowercase_   )
   self.block_filenames.append(lowercase_   )



  def 						A_				(self  :		Any   )		->							List[str]:
   return self.block_filenames



  def 						A_				(self  :		List[str]				,			lowercase_  :		Any				,			lowercase_  :		List[str]=None   )		->							Optional[Any]:
   __A	:       Union[str, Any]       =	0
   with open(self.filename   ) as file:
    while True:
     __A	:       str       =	file.readlines(lowercase_   )

     if lines == []:
      break

     if sort_key is None:
      lines.sort()
     else:
      lines.sort(key=lowercase_   )

     self.write_block(''.join(lowercase_   )				,			lowercase_   )
     i += 1



  def 						A_				(self  :		Union[str, Any]   )		->							str:
   map(os.remove				,			self.block_filenames   )






class __a   :



  def 						A_				(self  :		Optional[int]				,			lowercase_  :		Dict   )		->							Tuple:
   __A	:       Union[str, Any]       =	-1
   __A	:       List[Any]       =	None

   for i in range(len(lowercase_   )   ):
    if min_str is None or choices[i] < min_str:
     __A	:       Optional[int]       =	i

   return min_index






class __a   :



  def __init__(self  :		List[Any]				,			lowercase_  :		List[str]   )		->							List[Any]:
   __A	:       Tuple       =	files
   __A	:       Tuple       =	set()
   __A	:       int       =	len(lowercase_   )
   __A	:       Optional[int]       =	{i: None for i in range(self.num_buffers   )}



  def 						A_				(self  :		Optional[Any]   )		->							List[Any]:
   return {
       i: self.buffers[i] for i in range(self.num_buffers   ) if i not in self.empty
   }



  def 						A_				(self  :		List[Any]   )		->							str:
   for i in range(self.num_buffers   ):
    if self.buffers[i] is None and i not in self.empty:
     __A	:       Tuple       =	self.files[i].readline()

     if self.buffers[i] == "":
      self.empty.add(lowercase_   )
      self.files[i].close()

   if len(self.empty   ) == self.num_buffers:
    return False

   return True



  def 						A_				(self  :		str				,			lowercase_  :		Optional[int]   )		->							Optional[Any]:
   __A	:       Optional[Any]       =	self.buffers[index]
   __A	:       str       =	None

   return value






class __a   :



  def __init__(self  :		Optional[Any]				,			lowercase_  :		List[Any]   )		->							Any:
   __A	:       Tuple       =	merge_strategy



  def 						A_				(self  :		int				,			lowercase_  :		Tuple				,			lowercase_  :		str				,			lowercase_  :		List[str]   )		->							Optional[int]:
   __A	:       List[Any]       =	FilesArray(self.get_file_handles(lowercase_				,			lowercase_   )   )
   with open(lowercase_				,			'w'				,			lowercase_   ) as outfile:
    while buffers.refresh():
     __A	:       str       =	self.merge_strategy.select(buffers.get_dict()   )
     outfile.write(buffers.unshift(lowercase_   )   )



  def 						A_				(self  :		Any				,			lowercase_  :		str				,			lowercase_  :		Optional[int]   )		->							Union[str, Any]:
   __A	:       str       =	{}

   for i in range(len(lowercase_   )   ):
    __A	:       Any       =	open(filenames[i]				,			'r'				,			lowercase_   )  # noqa: UP015

   return files






class __a   :



  def __init__(self  :		Optional[int]				,			lowercase_  :		Union[str, Any]   )		->							Any:
   __A	:       Tuple       =	block_size



  def 						A_				(self  :		Optional[int]				,			lowercase_  :		Optional[Any]				,			lowercase_  :		List[Any]=None   )		->							Optional[Any]:
   __A	:       Any       =	self.get_number_blocks(lowercase_				,			self.block_size   )
   __A	:       Tuple       =	FileSplitter(lowercase_   )
   splitter.split(self.block_size				,			lowercase_   )

   __A	:       Dict       =	FileMerger(NWayMerge()   )
   __A	:       Any       =	self.block_size / (num_blocks + 1)
   merger.merge(splitter.get_block_filenames()				,			filename + '.out'				,			lowercase_   )

   splitter.cleanup()



  def 						A_				(self  :		int				,			lowercase_  :		Optional[Any]				,			lowercase_  :		int   )		->							Dict:
   return (os.stat(lowercase_   ).st_size / block_size) + 1






def 				a (     UpperCamelCase_							:				List[Any]		)  ->		Optional[Any]:
 if string[-1].lower() == "k":
  return int(string[:-1]		) * 1_0_2_4
 elif string[-1].lower() == "m":
  return int(string[:-1]		) * 1_0_2_4 * 1_0_2_4
 elif string[-1].lower() == "g":
  return int(string[:-1]		) * 1_0_2_4 * 1_0_2_4 * 1_0_2_4
 else:
  return int(UpperCamelCase_		)




def 				a (     )  ->		str:
 __A	:       Optional[Any]       =	argparse.ArgumentParser()
 parser.add_argument(
     '-m'     ,	'--mem'     ,	help='amount of memory to use for sorting'     ,	default='100M'		)
 parser.add_argument(
     'filename'     ,	metavar='<filename>'     ,	nargs=1     ,	help='name of file to sort'		)
 __A	:       Dict       =	parser.parse_args()

 __A	:       List[str]       =	ExternalSort(parse_memory(args.mem		)		)
 sorter.sort(args.filename[0]		)


if __name__ == "__main__":
   main()













"""simple docstring"""


def 				a (     UpperCamelCase_							:				list     ,	UpperCamelCase_							:				int		)  ->		int:
 for index, item in enumerate(UpperCamelCase_		):
  if item == target:
   return index
 return -1




def 				a (     UpperCamelCase_							:				list     ,	UpperCamelCase_							:				int     ,	UpperCamelCase_							:				int     ,	UpperCamelCase_							:				int		)  ->		int:
 if not (0 <= high < len(UpperCamelCase_		) and 0 <= low < len(UpperCamelCase_		)):
  raise Exception('Invalid upper or lower bound!'		)
 if high < low:
  return -1
 if sequence[low] == target:
  return low
 if sequence[high] == target:
  return high
 return rec_linear_search(UpperCamelCase_     ,	low + 1     ,	high - 1     ,	UpperCamelCase_		)


if __name__ == "__main__":
   _UpperCamelCase   :						Any     						= input("""Enter numbers separated by comma:\n""").strip()
   _UpperCamelCase   :						Optional[Any]     						= [int(item.strip()) for item in user_input.split(""",""")]

   _UpperCamelCase   :						List[str]     						= int(input("""Enter a single number to be found in the list:\n""").strip())
   _UpperCamelCase   :						List[Any]     						= linear_search(sequence, target)
   if result != -1:
      print(f'''linear_search({sequence}, {target}) = {result}''')
   else:
      print(f'''{target} was not found in {sequence}''')





