Pip installs packages for Python 2.7.6 by default - how to install packages for Python 3.4.3?

Question

Python

OS - Mac OS Yosemite 10.10.4.
There are two interpreters - Python 2.7.6 and Python 3.4.3.
I want to install packages in Python 3.4.3, but pip installs in Python 2.7.6, apparently it is the default.
What are the solutions? Virtualenv?
If you can, plz throw off the info on the resources)

Answer 1

pip3 or python3 -m pip

Answer 2

https://docs.python.org/3/installing/

Answer 3

In any case, it's better to shove everything into the virtualenv so that the projects do not get confused later. Through -p you can tell him which python to use