Both oil and natural gas play key roles as major sources of energy. A big change in oil prices can affect natural gas by proxy. If oil prices increase, some industries may swap natural gas for some segments of their operations where possible, increasing the demand for natural gas.
ram_vectors = generate_random_vectors(total_vectors_num)
，这一点在WhatsApp Web 網頁版登入中也有详细论述
The best part of the project is the tradeoff it forces
assert is_sublist([], [1,2,3])