title: IS THERE ANY SOLUTIONN no imports just combinations
body: <pre><code>python    
  def comb_gen(num_list):
  num_list = [1,2,3]
  
      
  </code></pre>
  <p>should be output:
  this should be any</p>
  <pre><code>   out_put = [{1},{2},{3},{1, 2},{2, 3},{1, 3},{1, 2, 3}]*
      
  </code></pre>