Python installation and configuration under different operating systems

1. Install Python under Windows
   A) Download Python software
   Software:https://www.python.org/downloads/windows/, click the link to download

   Install the download good software, all the way next installs the achievement OK, in which to record the Python installation path: C:\Python27, will use this directory when the environment variable is set later.

   b) Configure environment variables for Python
   WINDOWS10 operating system, enter "environment variables" in the search field to search
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   Enter the system environment variable to add the Python installation path:
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   Edit the system environment variable, add the path to the Python path and scripts you installed, and then confirm the save.
   c) Enter CMD to test whether the environment variable of Python is set successfully, and if the setting is successful, enter Python, you can see the version number of Python
   Test: Output Hello World code to see if the output is normal.
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2. Install Python under Linux
   Linux system for the most current enterprise version should be CentOS, because he is open source free, redhat system is also part of the use, Ubuntu a lot of research and development in use, most of the Linux system comes with a Python parser, so do not need to install, You can execute the command python on the shell, you can see the interactive mode into Python, and display the Python version and other information, as shown in
   

   Download Python:
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   Open Python website to download the Python version you need https://www.python.org/ftp/python/2.7.14/Python-2.7.14.tgz

   Tar zxvf python-2.7.14.tgz

   C D Python-2.7.14

   . /configure

   Make

   Make install

3. Install Python under Mac system
   How to install PYTHON,MAC system in Mac system actually comes with a Python execution environment to run Python, but development may not be enough, so we need to reinstall Python, here are two scenarios to install:
   a) Homebrew
   Brew Install Python

   This program is relatively simple, if the error can be given to the front with sudo to try. This installation of Python may not be the latest version.
   b) Download and install from official website

   we can get from https://www.python.org/ftp/python/2.7.14/python-2.7.14-macosx10.6.pkg download installation requires Python version, installation is relatively simple, all the way to continue OK, the disadvantage is that later upgrade, uninstall have to maintain their own, the two methods installed Python location is not the same, we can use which python to see where the installation is, type Python in the terminal after installation to verify that the installation was successful.

This article is from the "brave Heart Zhao Xiao Bai" blog, please make sure to keep this source http://3024783.blog.51cto.com/3014783/1972846

Python installation and configuration under different operating systems