data2 = []
with open("AllOutputMethodsObj.txt", "rb") as f:
    for _ in range(pickle.load(f)):
        data2.append(pickle.load(f))
print (str(data2))

for _ in range(pickle.load(f)):
EOFError: Ran out of input

import pickle
objs = dict(a=1, b=2), [3, 4], {5, 6}
pickle.dump(objs, open('test.tt', 'wb'))
for ob in pickle.load(open('test.tt', 'rb')):
    print(ob)