betaprojects/Project-Euler-Problem-2.py

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Project Euler & HackerRank problem 2 solution: Even Fibonacci numbers - solved using Python

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Project-Euler-Problem-2.py

	s, x, y = 0, 0, 2
	L = int(input('Sum of even Fibonacci numbers <'))
	while y < L:
	s, x, y = s+y, y, 4*y+x
	print ("is", s)

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