[Tutor] Memory error - how to manage large data sets?

[bob gailer]

Kepala Pening wrote:
> def sumEvenFibonacci( limit ):
> 	a, b = 1, 1  # don't waste with a = 0
> 	sum = 0
> 	while b < limit:
> 		if b%2 == 0: sum += b
> 		a, b = b, a + b
> 	return sum
>
> print sumEvenFibonacci( 2000000 )
>
>
>   
Every 3rd element in the Fibonacci series is an even number. So one 
could economize slightly:

def sumEvenFibonacci(limit):
    a, b = 1, 1  # don't waste with a = 0
    sum = 0
    while b < limit:
	a, b = b, a + b
	sum += b
	a, b = b, a + b
	a, b = b, a + b
    return sum


-- 
Bob Gailer
919-636-4239 Chapel Hill, NC