Python/project_euler/problem_01/sol7.py
Carlos Meza 927e14e7f2
Cleanup Project Euler Problem 01 (#2900)
* mv str statement into docstr

* rename var to avoid redefining builtin

* clean up module docstr
2020-10-10 11:03:00 +05:30

33 lines
656 B
Python

"""
Problem Statement:
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 N.
"""
def solution(n: int = 1000) -> int:
"""Returns the sum of all the multiples of 3 or 5 below n.
>>> solution(3)
0
>>> solution(4)
3
>>> solution(10)
23
>>> solution(600)
83700
"""
result = 0
for i in range(n):
if i % 3 == 0:
result += i
elif i % 5 == 0:
result += i
return result
if __name__ == "__main__":
print(solution(int(input().strip())))