title: How do I use jq to convert number to string?
body: <p>Given the following jq command and Json:</p>
  
  <pre><code>jq '.[]|[.string,.number]|join(": ")' &lt;&lt;&lt; '
  [
    {
      "number": 3,
      "string": "threee"
    },
    {
      "number": 7,
      "string": "seven"
    }
  ]
  '
  </code></pre>
  
  <p>I'm trying to format the output as:</p>
  
  <pre><code>three: 3
  seven: 7
  </code></pre>
  
  <p>Unfortunately, my attempt is resulting in the following error:</p>
  
  <blockquote>
    <p>jq: error: string and number cannot be added</p>
  </blockquote>
  
  <p>How do I convert the number to string so both can be joined?</p>