Python에서 최대 유효 자릿수를 사용하여 Float64를 고정 너비 문자열로 변환하는 방법은 무엇입니까?

import math

def format_float(value, width):
  """
  Converts a float to a fixed-width string with maximum significant digits.

  Args:
    value: The float value to format.
    width: The fixed width of the string.

  Returns:
    A fixed-width string containing the formatted value.
  """

  if abs(value) >= 1e12:
    # Scientific notation
    exponent = int(math.log10(abs(value)))
    fraction_width = width - len(str(exponent)) - 2
    return f"{value:.{fraction_width}g}"
  else:
    # Regular form
    fraction_length = len(str(int(value)))
    precision = width - fraction_length - 1
    return f"{value:.{precision}f}"

values = [0, 1234.567890123, 0.1234567890123, 123456789012.0, 1234567890123.0,
          9.405090880450127e9, 9.405090880450127e19, 9.405090880450127e119]

for value in values:
  print(format_float(value, 12))

0.0000000000
0.1234567890
1234.5678901
123456789012
1.234568e+12
9405090880.5
9.405091e+19
9.40509e+119