1 Download and install Python
Http://python.org/download
Download python2.7. python2.7 is not an old version of python3.5. Python2 is now widely used, online information is more, enough to learn to use.
After installation, now the system, do not set environment variables can also be used. It is also possible to set.
My Computer, right-click, advanced system settings, advanced, environment variables, system variables, Path, add Python installation directory.
There are also commands to set, although the operation is faster, but to remember the command, also troublesome. After all, the command is not used.
[Environment]::setenvironmentvariable ("Path", "$env:P Ath; C:\Python27 "," User ")
2 Powershell
Create a directory, mkdir Newdir
Enter a directory, CD Newdir
Create a new file in the directory using the editor to view the directory dir
or LS
Stupid methodology python--Installation and preparation