25 lines
575 B
Python
25 lines
575 B
Python
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from lib_fibonacci import fibonacci_generator_smaller
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def euler_002():
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fs = [f for f in fibonacci_generator_smaller(4000000) if f % 2 == 0]
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return sum(fs)
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assert(euler_002() == 4613732)
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print("e002.py: {}".format(euler_002()))
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def euler_002_simple():
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""" Sometimes it is nice to keep it simple. Instead of using three
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library functions just implement one straightforward function. """
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r, a, b = 0, 0, 1
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while b < 4000000:
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if b % 2 == 0:
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r += b
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a, b = b, a + b
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return r
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assert(euler_002() == euler_002_simple())
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