title: Dict key as function in a class
body: <p>How do I call the get_productname function from the dictionary in the code below?</p>
  
  <pre><code>test = {
         'get_productname' : {
                           'id' : 1,
                           'active' : 1,
                           }
      }
  
  class search(object):
      def __init__(self):
          for key, value in test.items():
              if test[key]['active']:
                  ... here i want to call the "get_productname" function from the dict key name
                  self.key()
                  ... HOW CAN I DO THIS?
  
      def get_productname(self, id):
          ...
          return productname 
  </code></pre>