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First... even the last. with numpy solution in 3rd party category for Even the Last by tobias.lindblom
def checkio(array):
"""
sums even-indexes elements and multiply at the last
"""
import numpy
A = numpy.array(array)
try:
return(int(A[numpy.arange(A.shape[0]) % 2 == 0].sum() * A[-1]))
except IndexError:
return(0)
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
assert checkio([0, 1, 2, 3, 4, 5]) == 30, "(0+2+4)*5=30"
assert checkio([1, 3, 5]) == 30, "(1+5)*5=30"
assert checkio([6]) == 36, "(6)*6=36"
assert checkio([]) == 0, "An empty array = 0"
Nov. 16, 2016
