Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
Even the Last solution in Creative category for Even the Last by booratello
from functools import reduce
def checkio(array):
return array[-1] * reduce(lambda el, next_el: el + next_el, [el for i, el in enumerate(array) if i % 2 == 0]) \
if len(array) > 0 else 0
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
print('Example:')
print(checkio([0, 1, 2, 3, 4, 5]))
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"
print("Coding complete? Click 'Check' to review your tests and earn cool rewards!")
Dec. 18, 2019