Web Reference: Solutions to the first 40 problems in functional Python Just found this site which is apparently devoted to solutions for the Euler problem set, in python, with a functional flavor. Sep 10, 2021 · It says you have to sum numbers that are multiples of 3 OR 5, not exactly one of them. Change your condition to fit that. it's not obvious to the OP. no need to be condescending. just explain the issue and move on, like the previous commenters. Your test explicitly retains numbers divisible by 3 but not 5, and divisible by 5 but not 3. Python solution for Project Euler Problem 1 (Multiples of 3 and 5). Find the sum of all multiples of 3 or 5 below 1000.
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