
from collections import namedtuple

__SCREAMING_SNAKE_CASE     :				int             =       namedtuple('from_to', 'from_ to')

__SCREAMING_SNAKE_CASE     :				Optional[int]             =       {
    'atm': from_to(1, 1),
    'pascal': from_to(0.0_000_098, 10_13_25),
    'bar': from_to(0.986_923, 1.01_325),
    'kilopascal': from_to(0.00_986_923, 101.325),
    'megapascal': from_to(9.86_923, 0.101_325),
    'psi': from_to(0.068_046, 14.6_959),
    'inHg': from_to(0.0_334_211, 29.9_213),
    'torr': from_to(0.00_131_579, 7_60),
}
def       UpperCAmelCase__							(    __magic_name__  :       float							,					__magic_name__  :       str							,					__magic_name__  :       str					):


					'''simple docstring'''

					if from_type not in PRESSURE_CONVERSION:
										raise ValueError(
										    f'''Invalid \'from_type\' value: {from_type!r}  Supported values are:\n'''
										    + ''', '''.join(__magic_name__					)					)
					if to_type not in PRESSURE_CONVERSION:
										raise ValueError(
										    f'''Invalid \'to_type\' value: {to_type!r}.  Supported values are:\n'''
										    + ''', '''.join(__magic_name__					)					)
					return (
					    value * PRESSURE_CONVERSION[from_type].from_ * PRESSURE_CONVERSION[to_type].to
					)


if __name__ == "__main__":
		import doctest

		doctest.testmod()


def       UpperCAmelCase__							(    __magic_name__  :       int = 99_80_01					):


					'''simple docstring'''

					lowerCAmelCase						:   Tuple							=       0
					for i in range(9_99							,					99							,					-1					):  # 3 digit numbers range from 999 down to 100
										for j in range(9_99							,					99							,					-1					):
															lowerCAmelCase						:   Any							=       str(i * j					)
															if product_string == product_string[::-1] and i * j < n:
																				lowerCAmelCase						:   Optional[int]							=       max(__magic_name__							,					i * j					)
					return answer


if __name__ == "__main__":
		print(f"""{solution() = }""")
