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Reduce Step by 2 * last index solution in Clear category for Even the Last by nickklaskala
from functools import reduce
def checkio(array):
if array==[]:
return 0
else:
newProduct=reduce(lambda a,b:a+b,array[0::2])*array[-1]
return newProduct
#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!")
Oct. 6, 2019
