'''3 ways to open file with python (e.g: 'my_pickle_file.pkl)':'''

# ORIGINAL
with open('my_pickle_file.pickle', 'rb') as f :
    pickle_file = pickle.load(f)

# QUICK
pickle_file =  pickle.load(open("my_pickle_file.pickle", 'rb'))

# PANDAS
pickle_file = pd.read_pickle('my_pickle_file.pickle')