






def 		_a					(   a				:float			,							a				:float			,							a				:float				)							->    float:
 if mass < 0:
  raise ValueError('''The mass of the body cannot be negative'''				)
 if radius <= 0:
  raise ValueError('''The radius is always a positive non zero integer'''				)
 return (mass * (velocity) ** 2) / radius


if __name__ == "__main__":
     import doctest

     doctest.testmod(verbose=True)










def 		_a					(   a				:list				)							->    list:
 for i, _ in enumerate(a				):
  if (i % 2 == 1) == (nums[i - 1] > nums[i]):
   a						,  a							=   nums[i], nums[i - 1]

 return nums


if __name__ == "__main__":
     print("Enter the array elements:")
     UpperCAmelCase__            =	list(map(int, input().split()))
     print("The unsorted array is:")
     print(array)
     print("Array after Wiggle sort:")
     print(wiggle_sort(array))


