




'''simple docstring'''





from collections import namedtuple

a		:  List[Any]   			=			namedtuple('''from_to''', '''from_ to''')

a		:  List[str]   			=			{
    '''millimeter''': '''mm''',
    '''centimeter''': '''cm''',
    '''meter''': '''m''',
    '''kilometer''': '''km''',
    '''inch''': '''in''',
    '''inche''': '''in''',  # Trailing 's' has been stripped off
    '''feet''': '''ft''',
    '''foot''': '''ft''',
    '''yard''': '''yd''',
    '''mile''': '''mi''',
}

a		:  Optional[Any]   			=			{
    '''mm''': from_to(0.0_01, 1_0_0_0),
    '''cm''': from_to(0.01, 1_0_0),
    '''m''': from_to(1, 1),
    '''km''': from_to(1_0_0_0, 0.0_01),
    '''in''': from_to(0.02_54, 39.37_01),
    '''ft''': from_to(0.30_48, 3.2_80_84),
    '''yd''': from_to(0.91_44, 1.0_93_61),
    '''mi''': from_to(1_6_0_9.3_4, 0.0_00_62_13_71),
}





def UpperCAmelCase						(					UpperCAmelCase_      ,  UpperCAmelCase_      ,  UpperCAmelCase_	):
    _a							:       Tuple       					=			from_type.lower().rstrip("""s"""	)
    _a							:       int       					=			TYPE_CONVERSION.get(snake_case__      ,  snake_case__	)
    _a							:       Any       					=			to_type.lower().rstrip("""s"""	)
    _a							:       Union[str, Any]       					=			TYPE_CONVERSION.get(snake_case__      ,  snake_case__	)
    if new_from not in METRIC_CONVERSION:
        _a							:       List[str]       					=			(
            F'''Invalid \'from_type\' value: {from_type!r}.\n'''
            F'''Conversion abbreviations are: {', '.join(snake_case__	)}'''
        )
        raise ValueError(snake_case__	)
    if new_to not in METRIC_CONVERSION:
        _a							:       Optional[Any]       					=			(
            F'''Invalid \'to_type\' value: {to_type!r}.\n'''
            F'''Conversion abbreviations are: {', '.join(snake_case__	)}'''
        )
        raise ValueError(snake_case__	)
    return value * METRIC_CONVERSION[new_from].from_ * METRIC_CONVERSION[new_to].to


if __name__ == "__main__":
  import doctest

  doctest.testmod()








'''simple docstring'''





from math import exp





def UpperCAmelCase						(					UpperCAmelCase_	):
    return 8 * x - 2 * exp(-x	)





def UpperCAmelCase						(					UpperCAmelCase_      ,  UpperCAmelCase_      ,  UpperCAmelCase_	):
    _a							:       Optional[int]       					=			lower_bound
    _a							:       str       					=			upper_bound
    for _ in range(0      ,  UpperCAmelCase_	):
        _a					,   _a							:       List[str]       					=			xa, xa - (f(UpperCAmelCase_	) * (xa - xa)) / (f(UpperCAmelCase_	) - f(UpperCAmelCase_	))
    return xa


if __name__ == "__main__":
  print(F"""Example: {secant_method(1, 3, 2)}""")


