首先，exec "python语句" in 名字空间（子典）
例子是：b = {}
       exec "a = 6" in b
       这样b中就有{a:6}

exec open(filename) in results
作用就是执行filename文件，将文件中的变量导入results

同意Limodou



======= 2006-01-20 14:22:29 您在来信中写道：=======

>来自Using Mix-ins with Python的Listing 5:
>(http://www.linuxjournal.com/articles/lj/0084/4540/4540l5.html)
>
>results = {}
>exec open(filename) in results
>
>执行后results会被填值。有人能解释一下这里的 in 是怎么用的吗
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　　　　　　　　致
礼！
 
				 
　　　　　　　　wangzhe
　　　　　　　　wangzhe at eastcom.com
　　　　　　　　　　2006-01-20

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