Created
August 29, 2021 17:01
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From Project Euler, https://projecteuler.net/problem=2
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# Program som beräknar summan av de jämna Fibonacci-talen, | |
# där den största termen är som mest 4 000 000. | |
# Se https://projecteuler.net/problem=2 | |
a = 1 | |
b = 2 | |
# Listan fib_numbers kommer att innehålla de Fibonacci-tal | |
# som ska summeras | |
fib_numbers = [] | |
if a % 2 == 0: | |
fib_numbers.append(a) | |
if b % 2 == 0: | |
fib_numbers.append(b) | |
while a+b <= 4_000_000: | |
if (a+b) % 2 == 0: | |
fib_numbers.append(a+b) | |
tmp = b | |
b = a+b | |
a = tmp | |
print(f'''SVAR: Summan är {sum(fib_numbers)}. | |
TILLÄGG: De sista talen i följden är {a} och {b}.''') |
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