目录1.两个版本的python2.环境变量切换环境：安装库：在使用Python的过程中难免会遇到不同的项目使用不通同的Python环境，这就引出Python环境的切换问题
I wrote a command line utility using Zend Framework to do some nightly reporting. It uses a ton of the same functionality the accompanying site. It works great when I run it by hand, but when I run it
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