The first thing that comes to mind for me is: verts = [None]*1000. But do you really need to preinitialize it? ... <看更多>

指定长度list初始化想要找到初始化指定长度list最快的方法。 方法一： 12length = 10array = [[]] * length 方法 ... python list initialize. ... <看更多>

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Sure, you can play with the default argument value: class AB: def __init__(self, data=None): self.data = data if data is not None else ... ... <看更多>

Sponsor python/mypy ... Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the ... ... <看更多>