





from __future__ import annotations


def 	UpperCamelCase__(       UpperCamelCase__			:       list[int] ,     UpperCamelCase__			:       int  )->bool:
       if len(UpperCamelCase__  ) == 0:
              return False
       A__											=						len(UpperCamelCase__  ) // 2
       if a_list[midpoint] == item:
              return True
       if item < a_list[midpoint]:
              return binary_search(a_list[:midpoint] ,     UpperCamelCase__  )
       else:
              return binary_search(a_list[midpoint + 1 :] ,     UpperCamelCase__  )


if __name__ == "__main__":
       a__:      Tuple									=		input('Enter numbers separated by comma:\n').strip()
       a__:      Any									=		[int(item.strip()) for item in user_input.split(',')]
       a__:      str									=		int(input('Enter the number to be found in the list:\n').strip())
       a__:      str									=		'' if binary_search(sequence, target) else 'not '
       print(F"{target} was {not_str}found in {sequence}")












import numpy as np


def 	UpperCamelCase__(       UpperCamelCase__			:       np.array  )->np.array:
       return (2 / (1 + np.exp(-2 * vector  ))) - 1


if __name__ == "__main__":
       import doctest

       doctest.testmod()





