read pickle file

with open('filename', 'rb') as f:
    x = pickle.load(f)

with open('filename', 'a') as f:
        pickle.dump(data, f)

objects = []
with (open("myfile", "rb")) as openfile:
    while True:
        try:
            objects.append(pickle.load(openfile))
        except EOFError:
            break