




from __future__ import annotations




def  SCREAMING_SNAKE_CASE     (	__UpperCamelCase      :						list[int]	,					__UpperCamelCase      :						int				)  ->							bool:
    if len(__UpperCamelCase				) == 0:
        return False
    UpperCAmelCase_										=					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__":
 _lowerCamelCase      			=						input('Enter numbers separated by comma:\n').strip()
 _lowerCamelCase      			=						[int(item.strip()) for item in user_input.split(',')]
 _lowerCamelCase      			=						int(input('Enter the number to be found in the list:\n').strip())
 _lowerCamelCase      			=						'' if binary_search(sequence, target) else 'not '
 print(F"{target} was {not_str}found in {sequence}")











import numpy as np




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


if __name__ == "__main__":
 import doctest

 doctest.testmod()





