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sums even indexes solution in Clear category for Even the Last by makspylaev
def checkio(array: list) -> int:
"""
sums even-indexes elements and multiply at the last
"""
length = len(array)
if length > 20 or length == 0:
return 0
if not all(isinstance(x, int) for x in array):
return 0
if not all(-100 < x < 100 for x in array):
return 0
return int(sum(array[0:length:2])*array[-1])
#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, 10, 20, 30, 40, 50, 60]))
assert checkio([0, 1, 2, 3, 4, 5]) == 30, "(0+2+4)*5=30"
assert checkio([0, 1, 2, 3, 4, 5, 10, 20, 30, 40, 50, 60]) == 5760, "(0+2+4+10+30+50)*60=1680"
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!")
Nov. 24, 2020
