




"""simple docstring"""
from __future__ import annotations

from random import choice





def 						UpperCAmelCase				(			A__:    Any     )  ->     int:
			return choice(A__     )





def 						UpperCAmelCase				(			A__:    list[int]							,				A__:    int     )  ->     int:
			__lowerCamelCase					:	Union[str, Any]	       =				random_pivot(A__     )

			# partition based on pivot
			# linear time
			__lowerCamelCase					:	Optional[int]	       =				[e for e in lst if e < pivot]
			__lowerCamelCase					:	List[Any]	       =				[e for e in lst if e > pivot]

			# if we get lucky, pivot might be the element we want.
			# we can easily see this:
			# small (elements smaller than k)
			# + pivot (kth element)
			# + big (elements larger than k)
			if len(A__     ) == k - 1:
						return pivot
			# pivot is in elements bigger than k
			elif len(A__     ) < k - 1:
						return kth_number(A__							,				k - len(A__     ) - 1     )
			# pivot is in elements smaller than k
			else:
						return kth_number(A__							,				A__     )


if __name__ == "__main__":
					import doctest

					doctest.testmod()









"""simple docstring"""
a_				:    Dict										=     {
    '''meter''': '''m''',
    '''kilometer''': '''km''',
    '''megametre''': '''Mm''',
    '''gigametre''': '''Gm''',
    '''terametre''': '''Tm''',
    '''petametre''': '''Pm''',
    '''exametre''': '''Em''',
    '''zettametre''': '''Zm''',
    '''yottametre''': '''Ym''',
}
# Exponent of the factor(meter)
a_				:    Optional[int]										=     {
    '''m''': 0,
    '''km''': 3,
    '''Mm''': 6,
    '''Gm''': 9,
    '''Tm''': 12,
    '''Pm''': 15,
    '''Em''': 18,
    '''Zm''': 21,
    '''Ym''': 24,
}





def 						UpperCAmelCase				(			A__:    float							,				A__:    str							,				A__:    str     )  ->     float:
			__lowerCamelCase					:	List[Any]	       =				from_type.lower().strip('s'     )
			__lowerCamelCase					:	Optional[int]	       =				to_type.lower().strip('s'     )

			__lowerCamelCase					:	int	       =				UNIT_SYMBOL.get(A__							,				A__     )
			__lowerCamelCase					:	Dict	       =				UNIT_SYMBOL.get(A__							,				A__     )

			if from_sanitized not in METRIC_CONVERSION:
						__lowerCamelCase					:	Dict	       =				(
						    f'''Invalid \'from_type\' value: {from_type!r}.\n'''
						    f'''Conversion abbreviations are: {", ".join(A__     )}'''
						)
						raise ValueError(A__     )
			if to_sanitized not in METRIC_CONVERSION:
						__lowerCamelCase					:	Any	       =				(
						    f'''Invalid \'to_type\' value: {to_type!r}.\n'''
						    f'''Conversion abbreviations are: {", ".join(A__     )}'''
						)
						raise ValueError(A__     )
			__lowerCamelCase					:	Any	       =				METRIC_CONVERSION[from_sanitized]
			__lowerCamelCase					:	Tuple	       =				METRIC_CONVERSION[to_sanitized]
			__lowerCamelCase					:	Any	       =				1

			if from_exponent > to_exponent:
						__lowerCamelCase					:	Union[str, Any]	       =				from_exponent - to_exponent
			else:
						__lowerCamelCase					:	List[Any]	       =				-(to_exponent - from_exponent)

			return value * pow(10							,				A__     )


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

					testmod()



