Initialization & Finalization 初始化和终止化
When using an object pool, the allocation, initialization, collection, and finalization only occur once, reducing both the memory usage and the processing time that is required.
在使用对象池时，分配、初始化、回收和终结只发生一次，从而减少了内存使用和所需的处理时间。
In a real application, however, you'll probably want to do some initialization before running the script and some finalization after the script's execution.
不过，在实际的应用程序中，可能需要在运行脚本之前进行初始化并在脚本执行完后进行最后的清理工作。
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