code: def get_item(self, key):
          
          keys = list(self.keys())
  
          # make sure it exists
          if not key in keys:
              self.print_message("ERROR: '"+str(key)+"' not found.")
              return None
  
          try:
              x = eval(self.get_value(1,keys.index(key)))
              return x
  
          except:
              self.print_message("ERROR: '"+str(self.get_value(1,keys.index(key)))+"' cannot be evaluated.")
              return None
docs: Returns the value associated with the key.