code: def copy_all(self, ctxt):
          '''
           copies all values into the current context from given context
          :param ctxt:
          '''
          for key, value  in ctxt.iteritems:
              self.set_attribute(key, valuef copy_all(self, ctxt):
          '''
           copies all values into the current context from given context
          :param ctxt:
          '''
          for key, value  in ctxt.iteritems:
              self.set_attribute(key, value)
docs: copies all values into the current context from given context
          :param ctxt: