




"""simple docstring"""

def 				a (						__snake_case     :				int  ):



				'''simple docstring'''





				if not isinstance(__snake_case,    __snake_case  ) or number < 0:
								raise ValueError('''Input must be a non-negative integer'''  )

				UpperCAmelCase_					:Optional[Any]      			=      number & ~(number - 1)
				UpperCAmelCase_					:List[str]      			=      0
				while intermediate:
								intermediate >>= 1
								index += 1
				return index - 1


if __name__ == "__main__":
						import doctest

						doctest.testmod(verbose=True)








"""simple docstring"""

def 				a (						__snake_case     :				int  ):



				'''simple docstring'''





				if not isinstance(__snake_case,    __snake_case  ) or number < 0:
								raise ValueError('''Input must be a non-negative integer'''  )

				UpperCAmelCase_					:Optional[Any]      			=      number & ~(number - 1)
				UpperCAmelCase_					:List[str]      			=      0
				while intermediate:
								intermediate >>= 1
								index += 1
				return index - 1


if __name__ == "__main__":
						import doctest

						doctest.testmod(verbose=True)


