def read4(buf):
    return 0
mouseover should be an alias to mouse_over and be deprecated
dataset/ETHPy150Open algorhythms/LeetCode/158 Read N Characters Given Read4 II - Call multiple times.py/read4--crossover with--dataset/ETHPy150Open cobrateam/splinter/tests/mouse_interaction.py/MouseInteractionTest.test_mouseover_should_be_an_alias_to_mouse_over