title: Get a key from a dictionary safely in robot framework
body: <p>I'd have a library with a single function to safely get a key from a dictionary.  Is this possible inside a test suite?</p>
  
  <pre><code>def safe_get(dict_obj, key):
      val = dict_obj.get(key)
      if val is None:
          val = {}
      return val
  </code></pre>
  
  <p>Is there a way to do this using something like <code>Run_Keyword_If</code> or <code>Set_Variable_If</code>?</p>