Is it possible to install two Python 2.7 and 3.4 on the same machine?

Question

Python

Is it possible to install two Python 2.7 and 3.4 on the same machine?
some scripts work only under 2.7 and some under 3.4
is it possible to install both versions in order to use each if necessary?
say one to drive c the other to drive d

Answer 1

Read any python manual. It seems to me that everyone starts with an explanation about virtualenv. Use.

Answer 2

use virtualenv + pip
https://virtualenv.pypa.io/en/latest/
adw0rd.com/2012/6/19/python-virtualenv/#.VKZrr3tGSec

Answer 3

Can.

Answer 4

Can.
$ which python2
/usr/bin/python2
$ which python3
/usr/bin/python3
$ python2 --version
Python 2.7.3
$ python3 --version
Python 3.2.3
Of course, it's better to specify in the script itself:
#!/usr/bin/ env python3
or
#!/usr/bin/env python2

Answer 5

To your heart's content:
[gentoo]
# eselect python list
Available Python interpreters:
[1] python2.7
[2] python3.2
[3] python3.3
[4] python3.4 *
[/gentoo]

Answer 6

You can, virtualenv is used for this . There is an excellent wrapper for the virtual environment, which makes the work more convenient. Here she is.