Python learning notes 01: Install python and python learning notes

Python learning notes 01: Install python and python learning notes

Download python:

Download python from https://www.python.org/downloads/to different operating systems. Note: most linux systems are pre-installed with python and can be used directly.

Python 2.7 and python 3.x versions have been installed in ubuntu16.04. Input python and python 3 to call different versions of python interpreters. For how to switch the python version in ubuntu16.04, refer to the following link: http://www.cnblogs.com/zangyu/p/5574834.html

Install python and select Customize installation:

Keep selected by default:

Check the Install for all users and Add Python to environment variables Options, and change the installation path to C: \ Python35:

Installation completed: