Python Virtual Environment Installation virtualenv

Resolves issues where multiple versions coexist

VIRTUALENV provides a Python installation for each of the different projects. It does not actually install multiple copies of Python, but it does provide an ingenious way to keep the project environment separate.

Install virtualenveasy_install virtualenv    orinstall virtualenv   ( Better)

using Virtualenv mkdir myproject  && cd myprojectvirtualenv testvenv...

Activating a virtual environment
testvenv\scripts\active    (Windows)                   

. Testvenv/bin/active      
      

Platform	Shell	Command to activate virtual environment
Posix	Bash/zsh	$ source <venv>/bin/activate
	Fish	$ . <venv>/bin/activate.fish
	Csh/tcsh	$ source <venv>/bin/activate.csh
Windows	Cmd.exe	C:> <venv>/scripts/activate.bat
	PowerShell	PS c:> <venv>/scripts/activate.ps1

Python Virtual Environment Installation virtualenv