title: how to use built in list function "filter"
body: <p>Please help me with using the DrScheme built-in function "filter". </p>
  
  <p>"create a function "hello" that consumes a number 'Max', and a list of numbers 'L', produce a list of numbers in 'L' that are smaller than 'Max'."</p>
  
  <p><strong>edit</strong> Taken from the comments for formatting</p>
  
  <p>this is what i have so far </p>
  
  <pre><code>(define (smaller? n Max) 
    (cond 
      [(&gt; Max n) n] 
      [else empty])) 
  (define (hello Max L) 
    (filter smaller? L))
  </code></pre>
  
  <p>I don't know how to implement Max into the function hello.</p>