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First solution in Clear category for Even the Last by mr.fieldsiii
def checkio(array):
total = 0 #gives us a placeholder for what will be returned
for i in range(0, len(array), 2): #indexing i = 0,2,4,6... for the length of the array
total += array[i] #adds the value at that array index to our placeholder
if len(array) > 0: #make sure we don't multiply total by a null value
total *= array[-1] #multiplies the total with the first array item reading backwards
return total #and returns the total answer
#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"
print("Coding complete? Click 'Check' to review your tests and earn cool rewards!")
Aug. 31, 2018
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