code: 
  
  from math import exp
  
  
  def 					__lowerCAmelCase			(  _A					):
  
  
  
  							"""simple docstring"""
  
  
  							return 8 * x - 2 * exp(-x					)
  
  
  def 					__lowerCAmelCase			(  _A ,_A ,_A					):
  
  
  
  							"""simple docstring"""
  
  
  							_lowercase				=	lower_bound
  							_lowercase				=	upper_bound
  							for _ in range(0 ,_A					):
  														_lowercase				=	xa, xa - (f(_A					) * (xa - xa)) / (f(_A					) - f(_A					))
  							return xa
  
  
  if __name__ == "__main__":
  				print(F'''Example: {secant_method(1, 3, 2)}''')
  
  
  
style_context: def 					__lowerCAmelCase			(  _A = 998_001					):
  
  
  
  							"""simple docstring"""
  
  
  							_lowercase				=	0
  							for i in range(999 ,99 ,-1					):  # 3 digit numbers range from 999 down to 100
  														for j in range(999 ,99 ,-1					):
  																					_lowercase				=	str(i * j					)
  																					if product_string == product_string[::-1] and i * j < n:
  																												_lowercase				=	max(_A ,i * j					)
  							return answer
  
  
  if __name__ == "__main__":
  				print(F'''{solution() = }''')
  
  
  