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Python 使用和高性能技巧总结
本节对一些 Python 易混淆的操作进行对比。 assert b_deep_copy == a and b_deep_copy is not a and b_deep_copy[2] is not a[2] 对别名的修改会影响原变量,(浅)复制中的元素是原列表中元素的别名,而深层复制是递归的进行复制,对深层复制的修改不影响原变量。 这个只是习惯 ...
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