<pre class="shiki github-dark shaku"><code>//please don't use Record&lt;K, V&gt; in your codetype MyRecord&lt;K extends number | string | symbol, V&gt; = { [P in K]: V }</code></pre>

This is my accepted solution

Record<K, V> returns an object type with keys of K and values of V. Please implement MyRecord<K, V> by yourself. Notice that property key could only b…