大宮盆栽デイズ - Omiya Bonsai Days -

冗談めかす埼玉のファインマン

@CheckiO@Index Power

def index_power(array: list, n: int) -> int:
    """
        Find Nth power of the element with index N.
    """
    length = len(array)
    if n+1 > length:
        return -1
    data = array[n]
    data = data ** n
    return int(data)

if __name__ == '__main__':
    print('Example:')
    print(index_power([1, 2, 3, 4], 2))
    
    #These "asserts" using only for self-checking and not necessary for auto-testing
    assert index_power([1, 2, 3, 4], 2) == 9, "Square"
    assert index_power([1, 3, 10, 100], 3) == 1000000, "Cube"
    assert index_power([0, 1], 0) == 1, "Zero power"
    assert index_power([1, 2], 3) == -1, "IndexError"
    print("Coding complete? Click 'Check' to review your tests and earn cool rewards!")