var twoSum = function(nums, target) {
for(let i = 0; i < nums.length; i++){
for(let j = i+1; j < nums.length; j++){
if(nums[i] + nums[j] == target){
return [i, j]
}
}
}
};
console.log(twoSum([15, 7, 11, 2],9))
console.log(twoSum([3, 2, 4],6))
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