

import math
def      _lowerCAmelCase(	__A   ,       __A			):
  return math.pow(__A   ,       2			) - a
def      _lowerCAmelCase(	__A			):
  return 2 * x
def      _lowerCAmelCase(	__A			):
  UpperCAmelCase					      =  2.0

  while start <= a:
    UpperCAmelCase					      =  math.pow(__A   ,       2			)

  return start
def      _lowerCAmelCase(	__A   ,       __A = 9999   ,       __A = 0.00000000000001			):

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

  UpperCAmelCase					      =  get_initial_point(__A			)

  for _ in range(__A			):
    UpperCAmelCase					      =  value
    UpperCAmelCase					      =  value - fx(__A   ,       __A			) / fx_derivative(__A			)
    if abs(prev_value - value			) < tolerance:
      return value

  return value


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

      testmod()






def      _lowerCAmelCase(	__A			):
  assert column_title.isupper()
  UpperCAmelCase					      =  0
  UpperCAmelCase					      =  len(__A			) - 1
  UpperCAmelCase					      =  0

  while index >= 0:
    UpperCAmelCase					      =  (ord(column_title[index]			) - 64) * pow(26   ,       __A			)
    answer += value
    power += 1
    index -= 1

  return answer


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

      testmod()



