


"""simple docstring"""






from collections.abc import Callable
def      lowerCamelCase       (     _UpperCamelCase		:      Callable[[float], float]       ,			_UpperCamelCase		:      float       ,			_UpperCamelCase		:      float							)		->       float:

							'''simple docstring'''



							__UpperCAmelCase   :						float      							=					a
							__UpperCAmelCase   :						float      							=					b
							if function(_UpperCamelCase							) == 0:  # one of the a or b is a root for the function
														return a
							elif function(_UpperCamelCase							) == 0:
														return b
							elif (
							    function(_UpperCamelCase							) * function(_UpperCamelCase							) > 0
							):  # if none of these are root and they are both positive or negative,
														# then this algorithm can't find the root
														raise ValueError("""could not find root in given interval."""							)
							else:
														__UpperCAmelCase   :						float      							=					start + (end - start) / 2.0
														while abs(start - mid							) > 1_0**-7:  # until precisely equals to 10^-7
																					if function(_UpperCamelCase							) == 0:
																												return mid
																					elif function(_UpperCamelCase							) * function(_UpperCamelCase							) < 0:
																												__UpperCAmelCase   :						Union[str, Any]      							=					mid
																					else:
																												__UpperCAmelCase   :						List[Any]      							=					mid
																					__UpperCAmelCase   :						Optional[Any]      							=					start + (end - start) / 2.0
														return mid
def      lowerCamelCase       (     _UpperCamelCase		:      float							)		->       float:

							'''simple docstring'''



							return x**3 - 2 * x - 5


if __name__ == "__main__":
							print(bisection(f, 1, 1000))

							import doctest

							doctest.testmod()




"""simple docstring"""






import os
import sys
from contextlib import contextmanager


# Windows only
if os.name == "nt":
							import ctypes
							import msvcrt  # noqa





							class      lowerCamelCase__   (     ctypes.Structure				):







												"""simple docstring"""


												__a	       =							[("""size""", ctypes.c_int), ("""visible""", ctypes.c_byte)]
def      lowerCamelCase       (     )		->       Optional[int]:

							'''simple docstring'''



							if os.name == "nt":
														__UpperCAmelCase   :						Dict      							=					CursorInfo()
														__UpperCAmelCase   :						Any      							=					ctypes.windll.kernelaa.GetStdHandle(-1_1							)
														ctypes.windll.kernelaa.GetConsoleCursorInfo(_UpperCamelCase       ,			ctypes.byref(_UpperCamelCase							)							)
														__UpperCAmelCase   :						Tuple      							=					False
														ctypes.windll.kernelaa.SetConsoleCursorInfo(_UpperCamelCase       ,			ctypes.byref(_UpperCamelCase							)							)
							elif os.name == "posix":
														sys.stdout.write("""\033[?25l"""							)
														sys.stdout.flush()
def      lowerCamelCase       (     )		->       Optional[int]:

							'''simple docstring'''



							if os.name == "nt":
														__UpperCAmelCase   :						str      							=					CursorInfo()
														__UpperCAmelCase   :						int      							=					ctypes.windll.kernelaa.GetStdHandle(-1_1							)
														ctypes.windll.kernelaa.GetConsoleCursorInfo(_UpperCamelCase       ,			ctypes.byref(_UpperCamelCase							)							)
														__UpperCAmelCase   :						Union[str, Any]      							=					True
														ctypes.windll.kernelaa.SetConsoleCursorInfo(_UpperCamelCase       ,			ctypes.byref(_UpperCamelCase							)							)
							elif os.name == "posix":
														sys.stdout.write("""\033[?25h"""							)
														sys.stdout.flush()
@contextmanager
def      lowerCamelCase       (     )		->       str:

							'''simple docstring'''



							try:
														hide_cursor()
														yield
							finally:
														show_cursor()
