title: Complete the code to iterate through the keys and values of the car_prices dictionary, printing out some information about each one
body: <p>fill the blanks so that the code gives an output.</p>
  <pre><code>def car_listing(car_prices):
      result = &quot;&quot;
      for __:  #fill this 
          result += &quot;{} costs {} dollars&quot;.__ + &quot;\n&quot;  # fill this
      return result
  
  print(car_listing({&quot;Kia Soul&quot;:19000, &quot;Lamborghini Diablo&quot;:55000, 
  &quot;Ford Fiesta&quot;:13000, &quot;Toyota Prius&quot;:24000}))
  </code></pre>