sum of all numbers from 1 to 1000 that are multiples of 3 and 5 code example

Example 1: find the sum of all the multiples of 3 or 5 below 1000 python

nums = [3, 5]

result = 0
for i in range(0,1000):
    if i%3 == 0 or i%5 == 0:
        result += i

print(result)

Example 2: Sum of all the multiples of 3 or 5

const findSum = n => {
  let countArr = []
  
  for(let i = 0; i <= n; i++) countArr.push(i)
    let finalArr = countArr.map(digit => {
      if(digit % 3 === 0 || digit % 5 === 0) return digit
      else return 0
    }).reduce((acc , curr) => acc + curr)
    
  return finalArr
}
console.log(findSum(10))

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Javascript Example

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