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klen/problem1.py

Last active August 29, 2015 13:57
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problem1.py
""" Project Euler problem #1. """
def problem():
""" Solve the problem.
If we list all the natural numbers below 10 that are multiples of 3 or 5,
we get 3, 5, 6 and 9. The sum of these multiples is 23.
Find the sum of all the multiples of 3 or 5 below 1000.
Answer: 233168
"""
return sum([x for x in range(1000) if not x % 3 or not x % 5])
if __name__ == '__main__':
print problem()
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