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def index_power(array, n):
# Find Nth power of the element with index N.
if n > len(array) - 1:
return -1
else:
return array[n] ** n
if __name__ == '__main__': # pragma: no cover
# 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) == 1_000_000, "Cube"
assert index_power([0, 1], 0) == 1, "Zero power"
assert index_power([1, 2], 3) == -1, "IndexError"
KenMercusLai /
checkio
