title: Merge map with array values in Elixir
body: <p>Hello i have this array</p>
  
  <p><code>temp=[%{"a"=&gt;1},%{"b"=&gt;2}]</code></p>
  
  <p><code>total=%{"c"=&gt;3,"d"=&gt;4}</code></p>
  
  <p>how do i add temp to total so i end with</p>
  
  <p><code>total=%{"a"=&gt;1,"b"=&gt;2,"c"=&gt;3,"d"=&gt;4}</code></p>