基于滑动窗口的视频监控系统性能优化分析

    # the iterable (list, str, ...) is "it"
    # define a sliding window [left, right)
    left = 0
    right = 0
    # define window states
    wnd_state_1 = ...
    wnd_state_2 = ...
    ...
    # define target states
    tgt_state_1 = ...
    tgt_state_2 = ...
    ...
    
    # define resulting state
    result = ...
    
    # expand window (moving r