


'''simple docstring'''

from math import ceil





def lowerCamelCase      (      lowerCAmelCase    :     int = 1001		):





	"""simple docstring"""







	__magic_name__	:   str					     =					1

	for i in range(1		,		int(ceil(n / 2.0		)		)		):
		__magic_name__	:   List[str]					     =					2 * i + 1
		__magic_name__	:   List[str]					     =					2 * i
		__magic_name__	:   Any					     =					total + 4 * odd**2 - 6 * even

	return total


if __name__ == "__main__":
							import sys

							if len(sys.argv) == 1:
														print(solution())
							else:
														try:
																					lowerCAmelCase				:Tuple        =      int(sys.argv[1])
																					print(solution(n))
														except ValueError:
																					print('''Invalid entry - please enter a number''')



'''simple docstring'''

import math





def lowerCamelCase      (      lowerCAmelCase    :     float		,		lowerCAmelCase    :     float		):





	"""simple docstring"""







	return math.pow(lowerCAmelCase		,		2		) - a





def lowerCamelCase      (      lowerCAmelCase    :     float		):





	"""simple docstring"""







	return 2 * x





def lowerCamelCase      (      lowerCAmelCase    :     float		):





	"""simple docstring"""







	__magic_name__	:   List[Any]					     =					2.0

	while start <= a:
		__magic_name__	:   List[str]					     =					math.pow(lowerCAmelCase		,		2		)

	return start





def lowerCamelCase      (      lowerCAmelCase    :     float		,		lowerCAmelCase    :     int = 9999		,		lowerCAmelCase    :     float = 0.00_0000_0000_0001		):





	"""simple docstring"""







	if a < 0:
		raise ValueError('math domain error'		)

	__magic_name__	:   Any					     =					get_initial_point(lowerCAmelCase		)

	for _ in range(lowerCAmelCase		):
		__magic_name__	:   List[str]					     =					value
		__magic_name__	:   Optional[int]					     =					value - fx(lowerCAmelCase		,		lowerCAmelCase		) / fx_derivative(lowerCAmelCase		)
		if abs(prev_value - value		) < tolerance:
			return value

	return value


if __name__ == "__main__":
							from doctest import testmod

							testmod()