Listing 2 shows a full workingprogram demonstrating some of these principles.
清单2显示了一个完整的可运行程序，它展示了这些原理中的一部分。
2
Once you have a workingprogram, you should store it in a script so you can execute or modify it in the future.
一旦你有了一个可用的程序，你应该把它存储成脚本，以便将来你可以执行或者是修改它。
3
Government immediately came to the support of the nursery schools, allocating $6,000,000 in July, 1942, for a nursery school program for the children of working mothers.