code: def param(self, name, default=None):
          '''convenient function for returning an arbitrary MAVLink
             parameter with a default'''
          if not name in self.params:
              return default
          return self.params[namef param(self, name, default=None):
          '''convenient function for returning an arbitrary MAVLink
             parameter with a default'''
          if not name in self.params:
              return default
          return self.params[name]
docs: convenient function for returning an arbitrary MAVLink
             parameter with a default