从Python 3.4.2切换到Python 2.7.1 OSX
[英]Switch from Python 3.4.2 to Python 2.7.1 OSX
问题描述
I got an issue with my following demand. 
我的以下需求有问题。 First of all i'm a total newbie, so please don't be too rude with me ;) I did install Python 3.4.2 along with PyCharm once (recommendation of a friend), but found a promising tutorial now, which recommends Python 2.7.1 badly, working with the Terminal and TextWrangler --> http://learnpythonthehardway.org/book/ . 首先，我是一个新手，所以请不要对我太粗鲁;）我确实与PyCharm一起安装了Python 3.4.2（朋友的推荐），但是现在发现了一个很有前途的教程，推荐使用Python 2.7.1糟糕的是，使用Terminal和TextWrangler-> http://learnpythonthehardway.org/book/ 。 Somehow i didn't figure out how to uninstall 3.4.2 or switch to 2.7.1, 'cause the terminal keeps saying i'm still in 3.4.2. 我不知道怎么卸载3.4.2或切换到2.7.1，因为终端一直说我仍然在3.4.2中。 I did some research in the web, but got really confused and couldn't find any matching issue to mine. 我在网络上进行了一些研究，但感到非常困惑，无法找到任何匹配的问题。
1 个解决方案
解决方案1
1 已采纳 2016-05-05 11:02:31
Although it can be confusing, you can have both a v2.x and a 3.x version installed on your system. 尽管可能会造成混淆，但是您可以在系统上同时安装v2.x和3.x版本。 If you have installed a python 2.7.1 after your python 3.4.2, you should be able to run your python 2.7.1, just type python2 in place of python. 如果您在python 3.4.2之后安装了python 2.7.1，则应该能够运行python 2.7.1，只需键入python2代替python。
Try out : 试用 ：
python --version
python2 --version
to check which version are installed. 检查安装的版本。
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