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export default function createTargetArray(    nums: number[],    index: number[],): number[] {    const target: number[] = Array<number>();    target.length = nums.length;    index.forEach((v, i) => {        const num = nums[i];
        target.splice(v, 0, num);        // console.log(target)    });    target.length = nums.length;    return target;}