forwardable getattr for medium

.py

def __getattr__(self, name):
        # EX: delegates = [("q", "enqueue", "append")]
        #iterate through to delegate items
        for attr in self.delegates:
            #check if the current lookedup attribute is in any of the delegates
            if name == attr[1] and hasattr(getattr(self, attr[0]), attr[2]):
                #delegate the call to composed object
                return getattr(getattr(self, attr[0]), attr[2])
        #raise AttributeError to mimick system default
        raise AttributeError("'{}' object has no attribute '{}'".format(type(self).__name__, name))