

"""simple docstring"""




from __future__ import annotations

from math import pow, sqrt
def     UpperCAmelCase_       (						_A				,		_A				,		_A    ):





     '''simple docstring'''




     if (resistance, reactance, impedance).count(0    ) != 1:
          raise ValueError('''One and only one argument must be 0'''    )
     if resistance == 0:
          return {"resistance": sqrt(pow(a_				,		2    ) - pow(a_				,		2    )    )}
     elif reactance == 0:
          return {"reactance": sqrt(pow(a_				,		2    ) - pow(a_				,		2    )    )}
     elif impedance == 0:
          return {"impedance": sqrt(pow(a_				,		2    ) + pow(a_				,		2    )    )}
     else:
          raise ValueError('''Exactly one argument must be 0'''    )


if __name__ == "__main__":
       import doctest

       doctest.testmod()





from __future__ import annotations
def     UpperCAmelCase_       (						_A    ):





     '''simple docstring'''




     SCREAMING_SNAKE_CASE__   =   len(_A    ) // 2

     # choose the middle 3 elements
     SCREAMING_SNAKE_CASE__   =   lst[m - 1 : m + 2]

     # if middle element is peak
     if three[1] > three[0] and three[1] > three[2]:
          return three[1]

     # if increasing, recurse on right
     elif three[0] < three[2]:
          if len(lst[:m]    ) == 2:
               m -= 1
          return peak(lst[m:]    )

     # decreasing
     else:
          if len(lst[:m]    ) == 2:
               m += 1
          return peak(lst[:m]    )


if __name__ == "__main__":
       import doctest

       doctest.testmod()


