
from __future__ import annotations

from random import choice





def 						SCREAMING_SNAKE_CASE__     (   __lowerCAmelCase				):
    return choice(__lowerCAmelCase				)





def 						SCREAMING_SNAKE_CASE__     (   __lowerCAmelCase     ,		__lowerCAmelCase				):
    snake_case__    =					random_pivot(__lowerCAmelCase				)

    # partition based on pivot
    # linear time
    snake_case__    =					[e for e in lst if e < pivot]
    snake_case__    =					[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(__lowerCAmelCase				) == k - 1:
        return pivot
    # pivot is in elements bigger than k
    elif len(__lowerCAmelCase				) < k - 1:
        return kth_number(__lowerCAmelCase     ,		k - len(__lowerCAmelCase				) - 1				)
    # pivot is in elements smaller than k
    else:
        return kth_number(__lowerCAmelCase     ,		__lowerCAmelCase				)


if __name__ == "__main__":
     import doctest

     doctest.testmod()





import math





def 						SCREAMING_SNAKE_CASE__     (   __lowerCAmelCase     ,		__lowerCAmelCase				):

    if initial_intensity < 0:
        raise ValueError("The value of intensity cannot be negative"				)
        # handling of negative values of initial intensity
    if angle < 0 or angle > 360:
        raise ValueError("In Malus Law, the angle is in the range 0-360 degrees"				)
        # handling of values out of allowed range
    return initial_intensity * (math.cos(math.radians(__lowerCAmelCase				)				) ** 2)


if __name__ == "__main__":
     import doctest

     doctest.testmod(name='''malus_law''')



