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First solution in Clear category for Restricted Sum by oldjaponec
def checkio(data, c = 0, s = 0):
if len(data) > 0:
if len(data) > 1:
if c < len(data):
ns = s + data[c]
nc = c + 1
return checkio(data, nc, ns)
else:
return s
else:
return data[0]
else:
return 0
Aug. 28, 2019
