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Easy and intuitive solution in Clear category for Ghosts Age by Sebastian.M
def checkio(given):
numbers = [0, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181]
op= 10000
age = 0
while(1):
if(given==10000):
return 0
if(numbers.count(age)==1):
op-=age
else:
op+=1
if(op==given):
break
age+=1
return age
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
assert checkio(10000) == 0, "Newborn"
assert checkio(9999) == 1, "1 year"
assert checkio(9997) == 2, "2 years"
assert checkio(9994) == 3, "3 years"
assert checkio(9995) == 4, "4 years"
assert checkio(9990) == 5, "5 years"
Oct. 7, 2016