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First solution in Clear category for Stair Steps by tapakah68
def checkio(numbers):
x = 0
y = 0
for i in numbers:
y, x = i + max(x, y), y
return max(x, y)
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
assert checkio([5, -3, -1, 2]) == 6, 'Fifth'
assert checkio([5, 6, -10, -7, 4]) == 8, 'First'
assert checkio([-11, 69, 77, -51, 23, 67, 35, 27, -25, 95]) == 393, 'Second'
assert checkio([-21, -23, -69, -67, 1, 41, 97, 49, 27]) == 125, 'Third'
print('All ok')
Jan. 1, 2017
