We used a BEGIN block in the previous example.
前一示例使用了这种代码块。
IN the first example, the function's BEGIN block executes first.
在第一个示例中,该函数的开始块第一次执行。
Because of this, I will put these tests on the todo list by modifying my BEGIN block.
因为这个原因,我将通过修改begin块来将这些测试放在todo列表上。
What that colon is saying is, I'm about to begin a sequence of instructions that I want to treat as a block.
这个冒号的意思是,下面的一系列的指令,要当做一整块来对待。
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